225564367567 has 18 divisors (see below), whose sum is σ = 283370950184. Its totient is φ = 175753671720.

The previous prime is 225564367559. The next prime is 225564367571. The reversal of 225564367567 is 765763465522.

It is not a de Polignac number, because 225564367567 - 2³ = 225564367559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225564367597) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13814034 + ... + 13830352.

Almost surely, 2^225564367567 is an apocalyptic number.

225564367567 is a deficient number, since it is larger than the sum of its proper divisors (57806582617).

225564367567 is an frugal number, since it uses more digits than its factorization.

225564367567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32667 (or 16337 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 58.

The spelling of 225564367567 in words is "two hundred twenty-five billion, five hundred sixty-four million, three hundred sixty-seven thousand, five hundred sixty-seven".