22509286448 has 20 divisors (see below), whose sum is σ = 47576446728. Its totient is φ = 10231493760.

The previous prime is 22509286447. The next prime is 22509286451. The reversal of 22509286448 is 84468290522.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22509286396 and 22509286405.

It is not an unprimeable number, because it can be changed into a prime (22509286447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63946661 + ... + 63947012.

Almost surely, 2^22509286448 is an apocalyptic number.

It is an amenable number.

22509286448 is an abundant number, since it is smaller than the sum of its proper divisors (25067160280).

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

22509286448 is a wasteful number, since it uses less digits than its factorization.

22509286448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127893692 (or 127893686 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 22509286448 in words is "twenty-two billion, five hundred nine million, two hundred eighty-six thousand, four hundred forty-eight".