22424631 has 4 divisors (see below), whose sum is σ = 29899512. Its totient is φ = 14949752.

The previous prime is 22424621. The next prime is 22424639. The reversal of 22424631 is 13642422.

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

It is a cyclic number.

It is not a de Polignac number, because 22424631 - 2⁹ = 22424119 is a prime.

It is a super-2 number, since 2×22424631² = 1005728150972322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424639) 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, 3737436 + ... + 3737441.

It is an arithmetic number, because the mean of its divisors is an integer number (7474878).

Almost surely, 2^22424631 is an apocalyptic number.

22424631 is a deficient number, since it is larger than the sum of its proper divisors (7474881).

22424631 is an equidigital number, since it uses as much as digits as its factorization.

22424631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474880.

The product of its digits is 2304, while the sum is 24.

The square root of 22424631 is about 4735.4652358559. The cubic root of 22424631 is about 281.9952340626.

The spelling of 22424631 in words is "twenty-two million, four hundred twenty-four thousand, six hundred thirty-one".