22115210332 has 24 divisors (see below), whose sum is σ = 40389745536. Its totient is φ = 10575412848.

The previous prime is 22115210329. The next prime is 22115210333. The reversal of 22115210332 is 23301251122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115210333) 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, 1044483 + ... + 1065445.

It is an arithmetic number, because the mean of its divisors is an integer number (1682906064).

Almost surely, 2^22115210332 is an apocalyptic number.

It is an amenable number.

22115210332 is a deficient number, since it is larger than the sum of its proper divisors (18274535204).

22115210332 is a wasteful number, since it uses less digits than its factorization.

22115210332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32457 (or 32455 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 22115210332 its reverse (23301251122), we get a palindrome (45416461454).

The spelling of 22115210332 in words is "twenty-two billion, one hundred fifteen million, two hundred ten thousand, three hundred thirty-two".