22397316 has 24 divisors (see below), whose sum is σ = 53536224. Its totient is φ = 7283520.

The previous prime is 22397311. The next prime is 22397327. The reversal of 22397316 is 61379322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22397311) 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, 22270 + ... + 23253.

It is an arithmetic number, because the mean of its divisors is an integer number (2230676).

Almost surely, 2^22397316 is an apocalyptic number.

It is an amenable number.

22397316 is an abundant number, since it is smaller than the sum of its proper divisors (31138908).

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

22397316 is a wasteful number, since it uses less digits than its factorization.

22397316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45571 (or 45569 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 22397316 is about 4732.5802687329. The cubic root of 22397316 is about 281.8806899342.

The spelling of 22397316 in words is "twenty-two million, three hundred ninety-seven thousand, three hundred sixteen".