22455216576 has 630 divisors, whose sum is σ = 77143200552. Its totient is φ = 6453457920.

The previous prime is 22455216527. The next prime is 22455216599. The reversal of 22455216576 is 67561255422.

22455216576 is a `hidden beast` number, since 2 + 2 + 4 + 55 + 21 + 6 + 576 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 316270621 + ... + 316270691.

Almost surely, 2^22455216576 is an apocalyptic number.

22455216576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22455216576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38571600276).

22455216576 is an abundant number, since it is smaller than the sum of its proper divisors (54687983976).

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

22455216576 is a wasteful number, since it uses less digits than its factorization.

22455216576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 108 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 22455216576 in words is "twenty-two billion, four hundred fifty-five million, two hundred sixteen thousand, five hundred seventy-six".