22608438 has 16 divisors (see below), whose sum is σ = 45351360. Its totient is φ = 7513736.

The previous prime is 22608437. The next prime is 22608449. The reversal of 22608438 is 83480622.

It is a super-2 number, since 2×22608438² = 1022282937599688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22608399 and 22608408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22608431) 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, 3348 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (2834460).

Almost surely, 2^22608438 is an apocalyptic number.

22608438 is an abundant number, since it is smaller than the sum of its proper divisors (22742922).

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

22608438 is a wasteful number, since it uses less digits than its factorization.

22608438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22608438 is about 4754.8331201000. The cubic root of 22608438 is about 282.7636111966.

The spelling of 22608438 in words is "twenty-two million, six hundred eight thousand, four hundred thirty-eight".