22726949 has 4 divisors (see below), whose sum is σ = 25973664. Its totient is φ = 19480236.

The previous prime is 22726939. The next prime is 22726961. The reversal of 22726949 is 94962722.

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 a cyclic number.

It is not a de Polignac number, because 22726949 - 2¹⁶ = 22661413 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 (22726939) 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, 1623347 + ... + 1623360.

It is an arithmetic number, because the mean of its divisors is an integer number (6493416).

Almost surely, 2^22726949 is an apocalyptic number.

It is an amenable number.

22726949 is a deficient number, since it is larger than the sum of its proper divisors (3246715).

22726949 is an equidigital number, since it uses as much as digits as its factorization.

22726949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246714.

The product of its digits is 108864, while the sum is 41.

The square root of 22726949 is about 4767.2789933043. The cubic root of 22726949 is about 283.2568225552.

The spelling of 22726949 in words is "twenty-two million, seven hundred twenty-six thousand, nine hundred forty-nine".