22291972200 has 192 divisors, whose sum is σ = 77071852800. Its totient is φ = 5922201600.

The previous prime is 22291972159. The next prime is 22291972277. The reversal of 22291972200 is 227919222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1455784 + ... + 1471016.

It is an arithmetic number, because the mean of its divisors is an integer number (401415900).

Almost surely, 2^22291972200 is an apocalyptic number.

22291972200 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 22291972200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38535926400).

22291972200 is an abundant number, since it is smaller than the sum of its proper divisors (54779880600).

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

22291972200 is a wasteful number, since it uses less digits than its factorization.

22291972200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15529 (or 15514 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 22291972200 in words is "twenty-two billion, two hundred ninety-one million, nine hundred seventy-two thousand, two hundred".