22430631 has 4 divisors (see below), whose sum is σ = 29907512. Its totient is φ = 14953752.

The previous prime is 22430623. The next prime is 22430651. The reversal of 22430631 is 13603422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22430631 - 2³ = 22430623 is a prime.

It is a super-2 number, since 2×22430631² = 1006266414116322, 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 = 22430598 and 22430607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430651) 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 3 ways as a sum of consecutive naturals, for example, 3738436 + ... + 3738441.

It is an arithmetic number, because the mean of its divisors is an integer number (7476878).

Almost surely, 2^22430631 is an apocalyptic number.

22430631 is a deficient number, since it is larger than the sum of its proper divisors (7476881).

22430631 is an equidigital number, since it uses as much as digits as its factorization.

22430631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476880.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22430631 is about 4736.0987109645. The cubic root of 22430631 is about 282.0203823103.

The spelling of 22430631 in words is "twenty-two million, four hundred thirty thousand, six hundred thirty-one".