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22144001124 = 2237439677887
BaseRepresentation
bin10100100111111000…
…101010010001100100
32010011020211210212210
4110213320222101210
5330322331013444
614101154443420
71412514622020
oct244770522144
963136753783
1022144001124
119433790883
12435bb93570
13211b93055b
141100d47380
158990c57b9
hex527e2a464

22144001124 has 96 divisors (see below), whose sum is σ = 59339427840. Its totient is φ = 6296015232.

The previous prime is 22144001123. The next prime is 22144001137. The reversal of 22144001124 is 42110044122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22144001124.

It is not an unprimeable number, because it can be changed into a prime (22144001123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24964609 + ... + 24965495.

It is an arithmetic number, because the mean of its divisors is an integer number (618119040).

Almost surely, 222144001124 is an apocalyptic number.

It is an amenable number.

22144001124 is an abundant number, since it is smaller than the sum of its proper divisors (37195426716).

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

22144001124 is a wasteful number, since it uses less digits than its factorization.

22144001124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22144001124 its reverse (42110044122), we get a palindrome (64254045246).

The spelling of 22144001124 in words is "twenty-two billion, one hundred forty-four million, one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 439 677 878 887 1317 1354 1756 1774 2031 2634 2661 2708 3073 3548 4062 4739 5268 5322 6146 6209 8124 9219 9478 10644 12292 12418 14217 18438 18627 18956 24836 28434 36876 37254 56868 74508 297203 389393 594406 600499 778786 891609 1168179 1188812 1200998 1557572 1783218 1801497 2080421 2336358 2401996 2725751 3566436 3602994 4160842 4203493 4672716 5451502 6241263 7205988 8177253 8321684 8406986 10903004 12482526 12610479 16354506 16813972 24965052 25220958 32709012 50441916 263619061 527238122 790857183 1054476244 1581714366 1845333427 3163428732 3690666854 5536000281 7381333708 11072000562 22144001124