22545220506 has 16 divisors (see below), whose sum is σ = 45092280000. Its totient is φ = 7514767008.

The previous prime is 22545220483. The next prime is 22545220547. The reversal of 22545220506 is 60502254522.

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, 122595 + ... + 245193.

It is an arithmetic number, because the mean of its divisors is an integer number (2818267500).

Almost surely, 2^22545220506 is an apocalyptic number.

22545220506 is an abundant number, since it is smaller than the sum of its proper divisors (22547059494).

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

22545220506 is a wasteful number, since it uses less digits than its factorization.

22545220506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153253.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22545220506 in words is "twenty-two billion, five hundred forty-five million, two hundred twenty thousand, five hundred six".