22990249800 has 576 divisors, whose sum is σ = 91254159360. Its totient is φ = 5078016000.

The previous prime is 22990249783. The next prime is 22990249861. The reversal of 22990249800 is 894209922.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 98670484 + ... + 98670716.

It is an arithmetic number, because the mean of its divisors is an integer number (158427360).

Almost surely, 2^22990249800 is an apocalyptic number.

22990249800 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 22990249800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45627079680).

22990249800 is an abundant number, since it is smaller than the sum of its proper divisors (68263909560).

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

22990249800 is a wasteful number, since it uses less digits than its factorization.

22990249800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 22990249800 in words is "twenty-two billion, nine hundred ninety million, two hundred forty-nine thousand, eight hundred".