22368738 has 32 divisors (see below), whose sum is σ = 53821440. Its totient is φ = 6054480.

The previous prime is 22368737. The next prime is 22368751. The reversal of 22368738 is 83786322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22368696 and 22368705.

It is not an unprimeable number, because it can be changed into a prime (22368737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13218 + ... + 14813.

It is an arithmetic number, because the mean of its divisors is an integer number (1681920).

Almost surely, 2^22368738 is an apocalyptic number.

22368738 is an abundant number, since it is smaller than the sum of its proper divisors (31452702).

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

22368738 is a wasteful number, since it uses less digits than its factorization.

22368738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28062.

The product of its digits is 96768, while the sum is 39.

The square root of 22368738 is about 4729.5600218202. The cubic root of 22368738 is about 281.7607497446.

The spelling of 22368738 in words is "twenty-two million, three hundred sixty-eight thousand, seven hundred thirty-eight".