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22122033444 = 223479753983
BaseRepresentation
bin10100100110100100…
…110111000100100100
32010002201111201220000
4110212210313010210
5330301220032234
614055051541300
71412130116220
oct244644670444
963081451800
1022122033444
119422347175
12435475a830
13211720b624
1410dc069780
158971d6899
hex526937124

22122033444 has 60 divisors (see below), whose sum is σ = 66092995584. Its totient is φ = 6320580336.

The previous prime is 22122033371. The next prime is 22122033481. The reversal of 22122033444 is 44433022122.

22122033444 is a `hidden beast` number, since 2 + 2 + 12 + 203 + 3 + 444 = 666.

It is a super-2 number, since 2×221220334442 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4874724 + ... + 4879259.

Almost surely, 222122033444 is an apocalyptic number.

It is an amenable number.

22122033444 is an abundant number, since it is smaller than the sum of its proper divisors (43970962140).

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

22122033444 is a wasteful number, since it uses less digits than its factorization.

22122033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754006 (or 9753995 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22122033444 its reverse (44433022122), we get a palindrome (66555055566).

The spelling of 22122033444 in words is "twenty-two billion, one hundred twenty-two million, thirty-three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 9753983 19507966 29261949 39015932 58523898 68277881 87785847 117047796 136555762 175571694 204833643 263357541 273111524 351143388 409667286 526715082 614500929 790072623 819334572 1053430164 1229001858 1580145246 1843502787 2458003716 3160290492 3687005574 5530508361 7374011148 11061016722 22122033444