22155355055 has 8 divisors (see below), whose sum is σ = 26588581344. Its totient is φ = 17722847200.

The previous prime is 22155355049. The next prime is 22155355067. The reversal of 22155355055 is 55055355122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22155355055 - 2²⁰ = 22154306479 is a prime.

It is a super-2 number, since 2×22155355055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109256 + ... + 237165.

It is an arithmetic number, because the mean of its divisors is an integer number (3323572668).

Almost surely, 2^22155355055 is an apocalyptic number.

22155355055 is a deficient number, since it is larger than the sum of its proper divisors (4433226289).

22155355055 is a wasteful number, since it uses less digits than its factorization.

22155355055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359217.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 22155355055 in words is "twenty-two billion, one hundred fifty-five million, three hundred fifty-five thousand, fifty-five".