22992647424 has 144 divisors (see below), whose sum is σ = 66884912640. Its totient is φ = 6980567040.

The previous prime is 22992647387. The next prime is 22992647449. The reversal of 22992647424 is 42474629922.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376332 + ... + 433140.

It is an arithmetic number, because the mean of its divisors is an integer number (464478560).

Almost surely, 2^22992647424 is an apocalyptic number.

22992647424 is a gapful number since it is divisible by the number (24) 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 22992647424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33442456320).

22992647424 is an abundant number, since it is smaller than the sum of its proper divisors (43892265216).

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

22992647424 is a wasteful number, since it uses less digits than its factorization.

22992647424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56876 (or 56862 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The spelling of 22992647424 in words is "twenty-two billion, nine hundred ninety-two million, six hundred forty-seven thousand, four hundred twenty-four".