22648590456 has 16 divisors (see below), whose sum is σ = 56621476200. Its totient is φ = 7549530144.

The previous prime is 22648590451. The next prime is 22648590457. The reversal of 22648590456 is 65409584622.

It is a super-2 number, since 2×22648590456² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22648590399 and 22648590408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22648590451) 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, 471845611 + ... + 471845658.

Almost surely, 2^22648590456 is an apocalyptic number.

It is an amenable number.

22648590456 is an abundant number, since it is smaller than the sum of its proper divisors (33972885744).

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

22648590456 is a wasteful number, since it uses less digits than its factorization.

22648590456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943691278 (or 943691274 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 22648590456 in words is "twenty-two billion, six hundred forty-eight million, five hundred ninety thousand, four hundred fifty-six".