22626881 has 8 divisors (see below), whose sum is σ = 24468480. Its totient is φ = 20842048.

The previous prime is 22626859. The next prime is 22626883. The reversal of 22626881 is 18862622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22626881 - 2⁶ = 22626817 is a prime.

It is a super-2 number, since 2×22626881² = 1023951487576322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22626883) 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, 13361 + ... + 14958.

It is an arithmetic number, because the mean of its divisors is an integer number (3058560).

Almost surely, 2^22626881 is an apocalyptic number.

It is an amenable number.

22626881 is a deficient number, since it is larger than the sum of its proper divisors (1841599).

22626881 is a wasteful number, since it uses less digits than its factorization.

22626881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28383.

The product of its digits is 18432, while the sum is 35.

The square root of 22626881 is about 4756.7721198308. The cubic root of 22626881 is about 282.8404791321.

The spelling of 22626881 in words is "twenty-two million, six hundred twenty-six thousand, eight hundred eighty-one".