22999680 has 256 divisors, whose sum is σ = 89596800. Its totient is φ = 5575680.

The previous prime is 22999679. The next prime is 22999699. The reversal of 22999680 is 8699922.

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 31 ways as a sum of consecutive naturals, for example, 2090875 + ... + 2090885.

Almost surely, 2^22999680 is an apocalyptic number.

22999680 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 22999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44798400).

22999680 is an abundant number, since it is smaller than the sum of its proper divisors (66597120).

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

22999680 is an equidigital number, since it uses as much as digits as its factorization.

22999680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 22999680 is about 4795.7981608904. The cubic root of 22999680 is about 284.3853790842.

The spelling of 22999680 in words is "twenty-two million, nine hundred ninety-nine thousand, six hundred eighty".