22397122 has 16 divisors (see below), whose sum is σ = 36724032. Its totient is φ = 10159920.

The previous prime is 22397119. The next prime is 22397153. The reversal of 22397122 is 22179322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17488 + ... + 18724.

It is an arithmetic number, because the mean of its divisors is an integer number (2295252).

Almost surely, 2^22397122 is an apocalyptic number.

22397122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22397122 is a deficient number, since it is larger than the sum of its proper divisors (14326910).

22397122 is a wasteful number, since it uses less digits than its factorization.

22397122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its digits is 3024, while the sum is 28.

The square root of 22397122 is about 4732.5597724699. The cubic root of 22397122 is about 281.8798760716.

The spelling of 22397122 in words is "twenty-two million, three hundred ninety-seven thousand, one hundred twenty-two".