22122543555 has 32 divisors (see below), whose sum is σ = 44947392000. Its totient is φ = 10113162336.

The previous prime is 22122543529. The next prime is 22122543559. The reversal of 22122543555 is 55534522122.

22122543555 is a `hidden beast` number, since 2 + 212 + 2 + 5 + 435 + 5 + 5 = 666.

It is not a de Polignac number, because 22122543555 - 2⁹ = 22122543043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122543559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11704105 + ... + 11705994.

It is an arithmetic number, because the mean of its divisors is an integer number (1404606000).

Almost surely, 2^22122543555 is an apocalyptic number.

22122543555 is an abundant number, since it is smaller than the sum of its proper divisors (22824848445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122543555 is a wasteful number, since it uses less digits than its factorization.

22122543555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23410120 (or 23410114 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The spelling of 22122543555 in words is "twenty-two billion, one hundred twenty-two million, five hundred forty-three thousand, five hundred fifty-five".