22649075631 has 96 divisors (see below), whose sum is σ = 41811840000. Its totient is φ = 11864092032.

The previous prime is 22649075629. The next prime is 22649075641. The reversal of 22649075631 is 13657094622.

22649075631 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 9 + 0 + 7 + 5 + 631 = 666.

It is not a de Polignac number, because 22649075631 - 2¹ = 22649075629 is a prime.

It is a super-2 number, since 2×22649075631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22649075641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4756830 + ... + 4761588.

It is an arithmetic number, because the mean of its divisors is an integer number (435540000).

Almost surely, 2^22649075631 is an apocalyptic number.

22649075631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22649075631 is a deficient number, since it is larger than the sum of its proper divisors (19162764369).

22649075631 is a wasteful number, since it uses less digits than its factorization.

22649075631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950 (or 4931 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22649075631 in words is "twenty-two billion, six hundred forty-nine million, seventy-five thousand, six hundred thirty-one".