22899136320 has 448 divisors, whose sum is σ = 83568844800. Its totient is φ = 5898977280.

The previous prime is 22899136313. The next prime is 22899136321. The reversal of 22899136320 is 2363199822.

It is a happy number.

22899136320 is a `hidden beast` number, since 2 + 2 + 8 + 9 + 9 + 1 + 3 + 632 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22899136321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44988226 + ... + 44988734.

It is an arithmetic number, because the mean of its divisors is an integer number (186537600).

Almost surely, 2^22899136320 is an apocalyptic number.

22899136320 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 22899136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41784422400).

22899136320 is an abundant number, since it is smaller than the sum of its proper divisors (60669708480).

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

22899136320 is a wasteful number, since it uses less digits than its factorization.

22899136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 22899136320 in words is "twenty-two billion, eight hundred ninety-nine million, one hundred thirty-six thousand, three hundred twenty".