22608906 has 16 divisors (see below), whose sum is σ = 45544800. Its totient is φ = 7481808.

The previous prime is 22608881. The next prime is 22608907. The reversal of 22608906 is 60980622.

It is a super-2 number, since 2×22608906² = 1022325261033672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22608907) 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, 12721 + ... + 14388.

It is an arithmetic number, because the mean of its divisors is an integer number (2846550).

Almost surely, 2^22608906 is an apocalyptic number.

22608906 is an abundant number, since it is smaller than the sum of its proper divisors (22935894).

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

22608906 is a wasteful number, since it uses less digits than its factorization.

22608906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27253.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 22608906 is about 4754.8823329290. The cubic root of 22608906 is about 282.7655622743.

The spelling of 22608906 in words is "twenty-two million, six hundred eight thousand, nine hundred six".