22155355155 has 16 divisors (see below), whose sum is σ = 35543613600. Its totient is φ = 11784507648.

The previous prime is 22155355139. The next prime is 22155355163. The reversal of 22155355155 is 55155355122.

It is not a de Polignac number, because 22155355155 - 2⁴ = 22155355139 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, 1974330 + ... + 1985519.

It is an arithmetic number, because the mean of its divisors is an integer number (2221475850).

Almost surely, 2^22155355155 is an apocalyptic number.

22155355155 is a deficient number, since it is larger than the sum of its proper divisors (13388258445).

22155355155 is a wasteful number, since it uses less digits than its factorization.

22155355155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960230.

The product of its digits is 187500, while the sum is 39.

The spelling of 22155355155 in words is "twenty-two billion, one hundred fifty-five million, three hundred fifty-five thousand, one hundred fifty-five".