22924639 has 4 divisors (see below), whose sum is σ = 22935280. Its totient is φ = 22914000.

The previous prime is 22924597. The next prime is 22924651. The reversal of 22924639 is 93642922.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93642922 = 2 ⋅46821461.

It is a cyclic number.

It is not a de Polignac number, because 22924639 - 2⁷ = 22924511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22924598 and 22924607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22924679) 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 3 ways as a sum of consecutive naturals, for example, 819 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (5733820).

Almost surely, 2^22924639 is an apocalyptic number.

22924639 is a deficient number, since it is larger than the sum of its proper divisors (10641).

22924639 is an equidigital number, since it uses as much as digits as its factorization.

22924639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640.

The product of its digits is 46656, while the sum is 37.

The square root of 22924639 is about 4787.9681494346. The cubic root of 22924639 is about 284.0757542741.

The spelling of 22924639 in words is "twenty-two million, nine hundred twenty-four thousand, six hundred thirty-nine".