22726131 has 8 divisors (see below), whose sum is σ = 31279104. Its totient is φ = 14661960.

The previous prime is 22726097. The next prime is 22726133. The reversal of 22726131 is 13162722.

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

It is not a de Polignac number, because 22726131 - 2⁷ = 22726003 is a prime.

It is a super-2 number, since 2×22726131² = 1032954060458322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22726133) 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, 122091 + ... + 122276.

It is an arithmetic number, because the mean of its divisors is an integer number (3909888).

Almost surely, 2^22726131 is an apocalyptic number.

22726131 is a deficient number, since it is larger than the sum of its proper divisors (8552973).

22726131 is a wasteful number, since it uses less digits than its factorization.

22726131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244401.

The product of its digits is 1008, while the sum is 24.

The square root of 22726131 is about 4767.1931993575. The cubic root of 22726131 is about 283.2534241395.

Adding to 22726131 its reverse (13162722), we get a palindrome (35888853).

The spelling of 22726131 in words is "twenty-two million, seven hundred twenty-six thousand, one hundred thirty-one".