22823231 has 16 divisors (see below), whose sum is σ = 25030944. Its totient is φ = 20726784.

The previous prime is 22823221. The next prime is 22823233. The reversal of 22823231 is 13232822.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22823231 is a prime.

It is a super-2 number, since 2×22823231² = 1041799746558722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22823197 and 22823206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22823233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65600 + ... + 65946.

It is an arithmetic number, because the mean of its divisors is an integer number (1564434).

Almost surely, 2^22823231 is an apocalyptic number.

22823231 is a deficient number, since it is larger than the sum of its proper divisors (2207713).

22823231 is a wasteful number, since it uses less digits than its factorization.

22823231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 1152, while the sum is 23.

The square root of 22823231 is about 4777.3665339808. The cubic root of 22823231 is about 283.6562618685.

The spelling of 22823231 in words is "twenty-two million, eight hundred twenty-three thousand, two hundred thirty-one".