22227129156 has 48 divisors (see below), whose sum is σ = 52338726720. Its totient is φ = 7341335040.

The previous prime is 22227129151. The next prime is 22227129167. The reversal of 22227129156 is 65192172222.

It is not an unprimeable number, because it can be changed into a prime (22227129151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856240 + ... + 881816.

It is an arithmetic number, because the mean of its divisors is an integer number (1090390140).

Almost surely, 2^22227129156 is an apocalyptic number.

It is an amenable number.

22227129156 is an abundant number, since it is smaller than the sum of its proper divisors (30111597564).

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

22227129156 is a wasteful number, since it uses less digits than its factorization.

22227129156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26244 (or 26242 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The spelling of 22227129156 in words is "twenty-two billion, two hundred twenty-seven million, one hundred twenty-nine thousand, one hundred fifty-six".