22555331555 has 16 divisors (see below), whose sum is σ = 27149866464. Its totient is φ = 17988687360.

The previous prime is 22555331551. The next prime is 22555331563. The reversal of 22555331555 is 55513355522.

It is not a de Polignac number, because 22555331555 - 2² = 22555331551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (22555331551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506252 + ... + 3512678.

It is an arithmetic number, because the mean of its divisors is an integer number (1696866654).

Almost surely, 2^22555331555 is an apocalyptic number.

22555331555 is a deficient number, since it is larger than the sum of its proper divisors (4594534909).

22555331555 is a wasteful number, since it uses less digits than its factorization.

22555331555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486.

The product of its digits is 562500, while the sum is 41.

The spelling of 22555331555 in words is "twenty-two billion, five hundred fifty-five million, three hundred thirty-one thousand, five hundred fifty-five".