22122124555 has 16 divisors (see below), whose sum is σ = 28004407200. Its totient is φ = 16729839360.

The previous prime is 22122124537. The next prime is 22122124561. The reversal of 22122124555 is 55542122122.

It is not a de Polignac number, because 22122124555 - 2¹⁵ = 22122091787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208770 + ... + 296359.

It is an arithmetic number, because the mean of its divisors is an integer number (1750275450).

Almost surely, 2^22122124555 is an apocalyptic number.

22122124555 is a deficient number, since it is larger than the sum of its proper divisors (5882282645).

22122124555 is a wasteful number, since it uses less digits than its factorization.

22122124555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505614.

The product of its digits is 16000, while the sum is 31.

Adding to 22122124555 its reverse (55542122122), we get a palindrome (77664246677).

The spelling of 22122124555 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-four thousand, five hundred fifty-five".