22426688 has 28 divisors (see below), whose sum is σ = 46847760. Its totient is φ = 10622592.

The previous prime is 22426687. The next prime is 22426721. The reversal of 22426688 is 88662422.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (22426687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8006 + ... + 10437.

Almost surely, 2^22426688 is an apocalyptic number.

It is an amenable number.

22426688 is an abundant number, since it is smaller than the sum of its proper divisors (24421072).

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

22426688 is a wasteful number, since it uses less digits than its factorization.

22426688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474 (or 18464 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 22426688 is about 4735.6824217846. The cubic root of 22426688 is about 282.0038562255.

The spelling of 22426688 in words is "twenty-two million, four hundred twenty-six thousand, six hundred eighty-eight".