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22255403420 = 2257331094903
BaseRepresentation
bin10100101110100001…
…101000000110011100
32010110000110122002202
4110232201220012130
5331034340402140
614120214311032
71415336544035
oct245641500634
963400418082
1022255403420
11949065aa98
124391358478
132138a36c83
141111a65a8c
158a3c7d915
hex52e86819c

22255403420 has 48 divisors (see below), whose sum is σ = 47401475520. Its totient is φ = 8775599616.

The previous prime is 22255403413. The next prime is 22255403431. The reversal of 22255403420 is 2430455222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4536689 + ... + 4541591.

It is an arithmetic number, because the mean of its divisors is an integer number (987530740).

Almost surely, 222255403420 is an apocalyptic number.

22255403420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22255403420 is an abundant number, since it is smaller than the sum of its proper divisors (25146072100).

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

22255403420 is a wasteful number, since it uses less digits than its factorization.

22255403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094 (or 8092 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 22255403420 its reverse (2430455222), we get a palindrome (24685858642).

The spelling of 22255403420 in words is "twenty-two billion, two hundred fifty-five million, four hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 3109 4903 6218 9806 12436 15545 19612 24515 31090 49030 62180 98060 226957 357919 453914 715838 907828 1134785 1431676 1789595 2269570 3579190 4539140 7158380 15243427 30486854 60973708 76217135 152434270 304868540 1112770171 2225540342 4451080684 5563850855 11127701710 22255403420