22438936 has 32 divisors (see below), whose sum is σ = 45511200. Its totient is φ = 10310400.

The previous prime is 22438921. The next prime is 22438951. The reversal of 22438936 is 63983422.

It is an interprime number because it is at equal distance from previous prime (22438921) and next prime (22438951).

It is a junction number, because it is equal to n+sod(n) for n = 22438895 and 22438904.

It is a congruent number.

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, 37036 + ... + 37636.

It is an arithmetic number, because the mean of its divisors is an integer number (1422225).

Almost surely, 2^22438936 is an apocalyptic number.

22438936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22438936 is an abundant number, since it is smaller than the sum of its proper divisors (23072264).

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

22438936 is a wasteful number, since it uses less digits than its factorization.

22438936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 22438936 is about 4736.9754063115. The cubic root of 22438936 is about 282.0551842777.

The spelling of 22438936 in words is "twenty-two million, four hundred thirty-eight thousand, nine hundred thirty-six".