22545566465 has 32 divisors (see below), whose sum is σ = 27935373312. Its totient is φ = 17456896000.

The previous prime is 22545566423. The next prime is 22545566479. The reversal of 22545566465 is 56466554522.

It is not a de Polignac number, because 22545566465 - 2⁶ = 22545566401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23218430 + ... + 23219400.

It is an arithmetic number, because the mean of its divisors is an integer number (872980416).

Almost surely, 2^22545566465 is an apocalyptic number.

It is an amenable number.

22545566465 is a deficient number, since it is larger than the sum of its proper divisors (5389806847).

22545566465 is a wasteful number, since it uses less digits than its factorization.

22545566465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its digits is 8640000, while the sum is 50.

The spelling of 22545566465 in words is "twenty-two billion, five hundred forty-five million, five hundred sixty-six thousand, four hundred sixty-five".