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22404404204 = 2271367391457
BaseRepresentation
bin10100110111011010…
…000001001111101100
32010211101211122202022
4110313122001033230
5331341011413304
614143100045312
71422126202460
oct246732011754
963741748668
1022404404204
11955777a536
124413233838
132160876110
1411277704a0
158b1db1ebe
hex5376813ec

22404404204 has 48 divisors (see below), whose sum is σ = 48327870528. Its totient is φ = 8850014208.

The previous prime is 22404404201. The next prime is 22404404233. The reversal of 22404404204 is 40240440422.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22404404201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199244 + ... + 290700.

It is an arithmetic number, because the mean of its divisors is an integer number (1006830636).

Almost surely, 222404404204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22404404204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24163935264).

22404404204 is an abundant number, since it is smaller than the sum of its proper divisors (25923466324).

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

22404404204 is a wasteful number, since it uses less digits than its factorization.

22404404204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92154 (or 92152 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22404404204 its reverse (40240440422), we get a palindrome (62644844626).

The spelling of 22404404204 in words is "twenty-two billion, four hundred four million, four hundred four thousand, two hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 673 1346 2692 4711 8749 9422 17498 18844 34996 61243 91457 122486 182914 244972 365828 640199 1188941 1280398 2377882 2560796 4755764 8322587 16645174 33290348 61550561 123101122 246202244 430853927 800157293 861707854 1600314586 1723415708 3200629172 5601101051 11202202102 22404404204