22673231 has 6 divisors (see below), whose sum is σ = 26375040. Its totient is φ = 19434156.

The previous prime is 22673201. The next prime is 22673279. The reversal of 22673231 is 13237622.

It is a de Polignac number, because none of the positive numbers 2^k-22673231 is a prime.

It is a super-2 number, since 2×22673231² = 1028150807958722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22673231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22673201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231311 + ... + 231408.

It is an arithmetic number, because the mean of its divisors is an integer number (4395840).

Almost surely, 2^22673231 is an apocalyptic number.

22673231 is a deficient number, since it is larger than the sum of its proper divisors (3701809).

22673231 is an equidigital number, since it uses as much as digits as its factorization.

22673231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462733 (or 462726 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 22673231 is about 4761.6416286823. The cubic root of 22673231 is about 283.0334754609.

The spelling of 22673231 in words is "twenty-two million, six hundred seventy-three thousand, two hundred thirty-one".