22023131 has 8 divisors (see below), whose sum is σ = 23839200. Its totient is φ = 20224512.

The previous prime is 22023091. The next prime is 22023149. The reversal of 22023131 is 13132022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22023131 - 2²² = 17828827 is a prime.

It is a super-2 number, since 2×22023131² = 970036598086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023031) 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, 1670 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (2979900).

Almost surely, 2^22023131 is an apocalyptic number.

22023131 is a deficient number, since it is larger than the sum of its proper divisors (1816069).

22023131 is a wasteful number, since it uses less digits than its factorization.

22023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725.

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

The square root of 22023131 is about 4692.8808849149. The cubic root of 22023131 is about 280.3021016560.

Adding to 22023131 its reverse (13132022), we get a palindrome (35155153).

The spelling of 22023131 in words is "twenty-two million, twenty-three thousand, one hundred thirty-one".