22940246880 has 144 divisors (see below), whose sum is σ = 78355381104. Its totient is φ = 6111790080.

The previous prime is 22940246863. The next prime is 22940246909. The reversal of 22940246880 is 8864204922.

22940246880 is a `hidden beast` number, since 22 + 94 + 0 + 2 + 468 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702570 + ... + 1715990.

It is an arithmetic number, because the mean of its divisors is an integer number (544134591).

Almost surely, 2^22940246880 is an apocalyptic number.

22940246880 is a gapful number since it is divisible by the number (20) 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 22940246880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39177690552).

22940246880 is an abundant number, since it is smaller than the sum of its proper divisors (55415134224).

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

22940246880 is a wasteful number, since it uses less digits than its factorization.

22940246880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14629 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 22940246880 in words is "twenty-two billion, nine hundred forty million, two hundred forty-six thousand, eight hundred eighty".