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22223033420 = 22571758715907
BaseRepresentation
bin10100101100100110…
…001001010001001100
32010100202120001210212
4110230212021101030
5331003044032140
614113100421552
71414464444620
oct245446112114
963322501725
1022223033420
119474360a25
1243825478b8
132132112323
14110b63b180
158a0ed7765
hex52c98944c

22223033420 has 96 divisors (see below), whose sum is σ = 56572411392. Its totient is φ = 7158463488.

The previous prime is 22223033419. The next prime is 22223033431. The reversal of 22223033420 is 2433032222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389107 + ... + 1405013.

It is an arithmetic number, because the mean of its divisors is an integer number (589295952).

Almost surely, 222223033420 is an apocalyptic number.

22223033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28286205696).

22223033420 is an abundant number, since it is smaller than the sum of its proper divisors (34349377972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223033420 is a wasteful number, since it uses less digits than its factorization.

22223033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527 (or 16525 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 22223033420 its reverse (2433032222), we get a palindrome (24656065642).

The spelling of 22223033420 in words is "twenty-two billion, two hundred twenty-three million, thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 587 595 1174 1190 2348 2380 2935 4109 5870 8218 9979 11740 15907 16436 19958 20545 31814 39916 41090 49895 63628 69853 79535 82180 99790 111349 139706 159070 199580 222698 270419 279412 318140 349265 445396 540838 556745 698530 1081676 1113490 1352095 1397060 1892933 2226980 2704190 3785866 5408380 7571732 9337409 9464665 18674818 18929330 37349636 37858660 46687045 65361863 93374090 130723726 158735953 186748180 261447452 317471906 326809315 634943812 653618630 793679765 1111151671 1307237260 1587359530 2222303342 3174719060 4444606684 5555758355 11111516710 22223033420