22499946880 has 64 divisors (see below), whose sum is σ = 56127621600. Its totient is φ = 8608669696.

The previous prime is 22499946853. The next prime is 22499946941. The reversal of 22499946880 is 8864999422.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749545 + ... + 778984.

Almost surely, 2^22499946880 is an apocalyptic number.

22499946880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22499946880 is an abundant number, since it is smaller than the sum of its proper divisors (33627674720).

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

22499946880 is a wasteful number, since it uses less digits than its factorization.

22499946880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528571 (or 1528559 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 22499946880 in words is "twenty-two billion, four hundred ninety-nine million, nine hundred forty-six thousand, eight hundred eighty".