22672831 has 2 divisors, whose sum is σ = 22672832. Its totient is φ = 22672830.

The previous prime is 22672807. The next prime is 22672843. The reversal of 22672831 is 13827622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22672831 - 2⁵ = 22672799 is a prime.

It is a super-2 number, since 2×22672831² = 1028114531109122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22672793 and 22672802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22672891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336415 + 11336416.

It is an arithmetic number, because the mean of its divisors is an integer number (11336416).

Almost surely, 2^22672831 is an apocalyptic number.

22672831 is the 3012-nd centered pentagonal number.

22672831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22672831 is an equidigital number, since it uses as much as digits as its factorization.

22672831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 22672831 is about 4761.5996261761. The cubic root of 22672831 is about 283.0318110304.

The spelling of 22672831 in words is "twenty-two million, six hundred seventy-two thousand, eight hundred thirty-one".