23022131 has 8 divisors (see below), whose sum is σ = 26592624. Its totient is φ = 19697920.

The previous prime is 23022079. The next prime is 23022137. The reversal of 23022131 is 13122032.

It is a happy number.

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

It is not a de Polignac number, because 23022131 - 2¹⁴ = 23005747 is a prime.

It is a super-2 number, since 2×23022131² = 1060037031562322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23022137) 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, 61370 + ... + 61743.

It is an arithmetic number, because the mean of its divisors is an integer number (3324078).

Almost surely, 2^23022131 is an apocalyptic number.

23022131 is a deficient number, since it is larger than the sum of its proper divisors (3570493).

23022131 is a wasteful number, since it uses less digits than its factorization.

23022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123141.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23022131 is about 4798.1382847934. The cubic root of 23022131 is about 284.4778826871.

Adding to 23022131 its reverse (13122032), we get a palindrome (36144163).

Subtracting from 23022131 its reverse (13122032), we obtain a palindrome (9900099).

The spelling of 23022131 in words is "twenty-three million, twenty-two thousand, one hundred thirty-one".