22155534155 has 16 divisors (see below), whose sum is σ = 29632171680. Its totient is φ = 15803822592.

The previous prime is 22155534131. The next prime is 22155534161. The reversal of 22155534155 is 55143555122.

It is a cyclic number.

It is not a de Polignac number, because 22155534155 - 2⁸ = 22155533899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6857684 + ... + 6860913.

It is an arithmetic number, because the mean of its divisors is an integer number (1852010730).

Almost surely, 2^22155534155 is an apocalyptic number.

22155534155 is a deficient number, since it is larger than the sum of its proper divisors (7476637525).

22155534155 is a wasteful number, since it uses less digits than its factorization.

22155534155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718638.

The product of its digits is 150000, while the sum is 38.

The spelling of 22155534155 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty-four thousand, one hundred fifty-five".