22547500008 has 32 divisors (see below), whose sum is σ = 61493182560. Its totient is φ = 6832575680.

The previous prime is 22547500007. The next prime is 22547500067. The reversal of 22547500008 is 80000574522.

It is a super-2 number, since 2×22547500008² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22547500007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42703335 + ... + 42703862.

It is an arithmetic number, because the mean of its divisors is an integer number (1921661955).

Almost surely, 2^22547500008 is an apocalyptic number.

It is an amenable number.

22547500008 is an abundant number, since it is smaller than the sum of its proper divisors (38945682552).

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

22547500008 is a wasteful number, since it uses less digits than its factorization.

22547500008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85407217 (or 85407213 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 22547500008 in words is "twenty-two billion, five hundred forty-seven million, five hundred thousand, eight".