22726906 has 16 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 10880640.

The previous prime is 22726901. The next prime is 22726931. The reversal of 22726906 is 60962722.

It is not an unprimeable number, because it can be changed into a prime (22726901) 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, 4125 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^22726906 is an apocalyptic number.

22726906 is a deficient number, since it is larger than the sum of its proper divisors (12835334).

22726906 is a wasteful number, since it uses less digits than its factorization.

22726906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 22726906 is about 4767.2744833920. The cubic root of 22726906 is about 283.2566439119.

It can be divided in two parts, 22726 and 906, that added together give a palindrome (23632).

The spelling of 22726906 in words is "twenty-two million, seven hundred twenty-six thousand, nine hundred six".