22726001625 has 32 divisors (see below), whose sum is σ = 40040552448. Its totient is φ = 11407558400.

The previous prime is 22726001611. The next prime is 22726001629. The reversal of 22726001625 is 52610062722.

It is not a de Polignac number, because 22726001625 - 2⁸ = 22726001369 is a prime.

It is a super-2 number, since 2×22726001625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22726001629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776057 + ... + 1788806.

It is an arithmetic number, because the mean of its divisors is an integer number (1251267264).

Almost surely, 2^22726001625 is an apocalyptic number.

22726001625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22726001625 is a deficient number, since it is larger than the sum of its proper divisors (17314550823).

22726001625 is a wasteful number, since it uses less digits than its factorization.

22726001625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564898 (or 3564888 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 22726001625 in words is "twenty-two billion, seven hundred twenty-six million, one thousand, six hundred twenty-five".