22513424555 has 4 divisors (see below), whose sum is σ = 27016109472. Its totient is φ = 18010739640.

The previous prime is 22513424533. The next prime is 22513424561. The reversal of 22513424555 is 55542431522.

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

It is not a de Polignac number, because 22513424555 - 2⁶ = 22513424491 is a prime.

It is a Duffinian 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, 2251342451 + ... + 2251342460.

It is an arithmetic number, because the mean of its divisors is an integer number (6754027368).

Almost surely, 2^22513424555 is an apocalyptic number.

22513424555 is a deficient number, since it is larger than the sum of its proper divisors (4502684917).

22513424555 is an equidigital number, since it uses as much as digits as its factorization.

22513424555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502684916.

The product of its digits is 240000, while the sum is 38.

The spelling of 22513424555 in words is "twenty-two billion, five hundred thirteen million, four hundred twenty-four thousand, five hundred fifty-five".