22956143 has 8 divisors (see below), whose sum is σ = 26627712. Its totient is φ = 19382616.

The previous prime is 22956127. The next prime is 22956181. The reversal of 22956143 is 34165922.

It is a happy number.

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 22956143 - 2⁴ = 22956127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22956113) 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, 24005 + ... + 24942.

It is an arithmetic number, because the mean of its divisors is an integer number (3328464).

Almost surely, 2^22956143 is an apocalyptic number.

22956143 is a deficient number, since it is larger than the sum of its proper divisors (3671569).

22956143 is an equidigital number, since it uses as much as digits as its factorization.

22956143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49021.

The product of its digits is 12960, while the sum is 32.

The square root of 22956143 is about 4791.2569332066. The cubic root of 22956143 is about 284.2058243133.

The spelling of 22956143 in words is "twenty-two million, nine hundred fifty-six thousand, one hundred forty-three".