22624430 has 8 divisors (see below), whose sum is σ = 40723992. Its totient is φ = 9049768.

The previous prime is 22624429. The next prime is 22624447. The reversal of 22624430 is 3442622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22624396 and 22624405.

It is a congruent number.

It is an unprimeable number.

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, 1131212 + ... + 1131231.

It is an arithmetic number, because the mean of its divisors is an integer number (5090499).

Almost surely, 2^22624430 is an apocalyptic number.

22624430 is a deficient number, since it is larger than the sum of its proper divisors (18099562).

22624430 is a wasteful number, since it uses less digits than its factorization.

22624430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262450.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 22624430 is about 4756.5144801630. The cubic root of 22624430 is about 282.8302661021.

The spelling of 22624430 in words is "twenty-two million, six hundred twenty-four thousand, four hundred thirty".