22624655 has 4 divisors (see below), whose sum is σ = 27149592. Its totient is φ = 18099720.

The previous prime is 22624643. The next prime is 22624673. The reversal of 22624655 is 55642622.

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

It is not a de Polignac number, because 22624655 - 2⁴ = 22624639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262461 + ... + 2262470.

It is an arithmetic number, because the mean of its divisors is an integer number (6787398).

Almost surely, 2^22624655 is an apocalyptic number.

22624655 is a deficient number, since it is larger than the sum of its proper divisors (4524937).

22624655 is an equidigital number, since it uses as much as digits as its factorization.

22624655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524936.

The product of its digits is 28800, while the sum is 32.

The square root of 22624655 is about 4756.5381318770. The cubic root of 22624655 is about 282.8312036815.

The spelling of 22624655 in words is "twenty-two million, six hundred twenty-four thousand, six hundred fifty-five".