22656131 has 8 divisors (see below), whose sum is σ = 22901760. Its totient is φ = 22412232.

The previous prime is 22656119. The next prime is 22656143. The reversal of 22656131 is 13165622.

It is an interprime number because it is at equal distance from previous prime (22656119) and next prime (22656143).

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 22656131 - 2¹⁰ = 22655107 is a prime.

It is a super-2 number, since 2×22656131² = 1026600543778322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22656131.

It is not an unprimeable number, because it can be changed into a prime (22656181) 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, 62930 + ... + 63288.

It is an arithmetic number, because the mean of its divisors is an integer number (2862720).

Almost surely, 2^22656131 is an apocalyptic number.

22656131 is a deficient number, since it is larger than the sum of its proper divisors (245629).

22656131 is a wasteful number, since it uses less digits than its factorization.

22656131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its digits is 2160, while the sum is 26.

The square root of 22656131 is about 4759.8456907761. The cubic root of 22656131 is about 282.9623035773.

The spelling of 22656131 in words is "twenty-two million, six hundred fifty-six thousand, one hundred thirty-one".