22922397 has 24 divisors (see below), whose sum is σ = 34471008. Its totient is φ = 14666400.

The previous prime is 22922381. The next prime is 22922399. The reversal of 22922397 is 79322922.

It is a happy number.

It is not a de Polignac number, because 22922397 - 2⁴ = 22922381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22922399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23122 + ... + 24092.

It is an arithmetic number, because the mean of its divisors is an integer number (1436292).

Almost surely, 2^22922397 is an apocalyptic number.

It is an amenable number.

22922397 is a deficient number, since it is larger than the sum of its proper divisors (11548611).

22922397 is a wasteful number, since it uses less digits than its factorization.

22922397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22922397 is about 4787.7340151683. The cubic root of 22922397 is about 284.0664932252.

The spelling of 22922397 in words is "twenty-two million, nine hundred twenty-two thousand, three hundred ninety-seven".