22200552000 has 336 divisors, whose sum is σ = 86637717504. Its totient is φ = 5381760000.

The previous prime is 22200551983. The next prime is 22200552013. The reversal of 22200552000 is 25500222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 777985 + ... + 806015.

Almost surely, 2^22200552000 is an apocalyptic number.

22200552000 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 22200552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43318858752).

22200552000 is an abundant number, since it is smaller than the sum of its proper divisors (64437165504).

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

22200552000 is a wasteful number, since it uses less digits than its factorization.

22200552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075 (or 28052 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The spelling of 22200552000 in words is "twenty-two billion, two hundred million, five hundred fifty-two thousand".