22364238 has 16 divisors (see below), whose sum is σ = 48169296. Its totient is φ = 6881280.

The previous prime is 22364227. The next prime is 22364239. The reversal of 22364238 is 83246322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22364239) 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, 143283 + ... + 143438.

It is an arithmetic number, because the mean of its divisors is an integer number (3010581).

Almost surely, 2^22364238 is an apocalyptic number.

22364238 is an abundant number, since it is smaller than the sum of its proper divisors (25805058).

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

22364238 is a wasteful number, since it uses less digits than its factorization.

22364238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286739.

The product of its digits is 13824, while the sum is 30.

The square root of 22364238 is about 4729.0842665362. The cubic root of 22364238 is about 281.7418542008.

The spelling of 22364238 in words is "twenty-two million, three hundred sixty-four thousand, two hundred thirty-eight".