22585021123 has 16 divisors (see below), whose sum is σ = 26173788160. Its totient is φ = 19087016256.

The previous prime is 22585021117. The next prime is 22585021133. The reversal of 22585021123 is 32112058522.

It is not a de Polignac number, because 22585021123 - 2⁹ = 22585020611 is a prime.

It is a super-2 number, since 2×22585021123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22585021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119936 + ... + 2130562.

It is an arithmetic number, because the mean of its divisors is an integer number (1635861760).

Almost surely, 2^22585021123 is an apocalyptic number.

22585021123 is a deficient number, since it is larger than the sum of its proper divisors (3588767037).

22585021123 is a wasteful number, since it uses less digits than its factorization.

22585021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14866.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 22585021123 its reverse (32112058522), we get a palindrome (54697079645).

The spelling of 22585021123 in words is "twenty-two billion, five hundred eighty-five million, twenty-one thousand, one hundred twenty-three".