22535135664 has 40 divisors (see below), whose sum is σ = 58268971440. Its totient is φ = 7504846848.

The previous prime is 22535135639. The next prime is 22535135669. The reversal of 22535135664 is 46653153522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22535135669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161329 + ... + 266640.

It is an arithmetic number, because the mean of its divisors is an integer number (1456724286).

Almost surely, 2^22535135664 is an apocalyptic number.

22535135664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22535135664 is an abundant number, since it is smaller than the sum of its proper divisors (35733835776).

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

22535135664 is a wasteful number, since it uses less digits than its factorization.

22535135664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429077 (or 429071 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 22535135664 in words is "twenty-two billion, five hundred thirty-five million, one hundred thirty-five thousand, six hundred sixty-four".