23226131 has 16 divisors (see below), whose sum is σ = 25764480. Its totient is φ = 20843520.

The previous prime is 23226127. The next prime is 23226143. The reversal of 23226131 is 13162232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23226131 - 2² = 23226127 is a prime.

It is a super-2 number, since 2×23226131² = 1078906322458322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23229131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32405 + ... + 33113.

It is an arithmetic number, because the mean of its divisors is an integer number (1610280).

Almost surely, 2^23226131 is an apocalyptic number.

23226131 is a deficient number, since it is larger than the sum of its proper divisors (2538349).

23226131 is a wasteful number, since it uses less digits than its factorization.

23226131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 432, while the sum is 20.

The square root of 23226131 is about 4819.3496449210. The cubic root of 23226131 is about 285.3156695194.

Adding to 23226131 its reverse (13162232), we get a palindrome (36388363).

The spelling of 23226131 in words is "twenty-three million, two hundred twenty-six thousand, one hundred thirty-one".