22200424320 has 256 divisors, whose sum is σ = 76227194880. Its totient is φ = 5479710720.

The previous prime is 22200424231. The next prime is 22200424331. The reversal of 22200424320 is 2342400222.

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, 1360852 + ... + 1377068.

It is an arithmetic number, because the mean of its divisors is an integer number (297762480).

Almost surely, 2^22200424320 is an apocalyptic number.

22200424320 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 22200424320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38113597440).

22200424320 is an abundant number, since it is smaller than the sum of its proper divisors (54026770560).

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

22200424320 is a wasteful number, since it uses less digits than its factorization.

22200424320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293 (or 16281 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22200424320 its reverse (2342400222), we get a palindrome (24542824542).

The spelling of 22200424320 in words is "twenty-two billion, two hundred million, four hundred twenty-four thousand, three hundred twenty".