22447764380 has 96 divisors (see below), whose sum is σ = 48321681408. Its totient is φ = 8757964800.

The previous prime is 22447764371. The next prime is 22447764401. The reversal of 22447764380 is 8346774422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52082765 + ... + 52083195.

It is an arithmetic number, because the mean of its divisors is an integer number (503350848).

Almost surely, 2^22447764380 is an apocalyptic number.

22447764380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22447764380 is an abundant number, since it is smaller than the sum of its proper divisors (25873917028).

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

22447764380 is a wasteful number, since it uses less digits than its factorization.

22447764380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 22447764380 in words is "twenty-two billion, four hundred forty-seven million, seven hundred sixty-four thousand, three hundred eighty".