22956249 has 4 divisors (see below), whose sum is σ = 30608336. Its totient is φ = 15304164.

The previous prime is 22956233. The next prime is 22956287. The reversal of 22956249 is 94265922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22956249 - 2⁴ = 22956233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22956229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826039 + ... + 3826044.

It is an arithmetic number, because the mean of its divisors is an integer number (7652084).

Almost surely, 2^22956249 is an apocalyptic number.

It is an amenable number.

22956249 is a deficient number, since it is larger than the sum of its proper divisors (7652087).

22956249 is an equidigital number, since it uses as much as digits as its factorization.

22956249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652086.

The product of its digits is 77760, while the sum is 39.

The square root of 22956249 is about 4791.2679950093. The cubic root of 22956249 is about 284.2062617528.

The spelling of 22956249 in words is "twenty-two million, nine hundred fifty-six thousand, two hundred forty-nine".