22420524555 has 48 divisors (see below), whose sum is σ = 45656354016. Its totient is φ = 10034357760.

The previous prime is 22420524541. The next prime is 22420524559. The reversal of 22420524555 is 55542502422.

It is not a de Polignac number, because 22420524555 - 2⁵ = 22420524523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22420524559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1735642 + ... + 1748511.

It is an arithmetic number, because the mean of its divisors is an integer number (951174042).

Almost surely, 2^22420524555 is an apocalyptic number.

22420524555 is an abundant number, since it is smaller than the sum of its proper divisors (23235829461).

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

22420524555 is a wasteful number, since it uses less digits than its factorization.

22420524555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484188 (or 3484185 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 22420524555 in words is "twenty-two billion, four hundred twenty million, five hundred twenty-four thousand, five hundred fifty-five".