22054566155 has 4 divisors (see below), whose sum is σ = 26465479392. Its totient is φ = 17643652920.

The previous prime is 22054566139. The next prime is 22054566167. The reversal of 22054566155 is 55166545022.

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

It is not a de Polignac number, because 22054566155 - 2⁴ = 22054566139 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2205456611 + ... + 2205456620.

It is an arithmetic number, because the mean of its divisors is an integer number (6616369848).

Almost surely, 2^22054566155 is an apocalyptic number.

22054566155 is a deficient number, since it is larger than the sum of its proper divisors (4410913237).

22054566155 is an equidigital number, since it uses as much as digits as its factorization.

22054566155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410913236.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 22054566155 in words is "twenty-two billion, fifty-four million, five hundred sixty-six thousand, one hundred fifty-five".