22200957900 has 360 divisors, whose sum is σ = 83133022896. Its totient is φ = 5065113600.

The previous prime is 22200957899. The next prime is 22200957913. The reversal of 22200957900 is 975900222.

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 119 ways as a sum of consecutive naturals, for example, 1507372 + ... + 1522028.

Almost surely, 2^22200957900 is an apocalyptic number.

22200957900 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 22200957900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41566511448).

22200957900 is an abundant number, since it is smaller than the sum of its proper divisors (60932064996).

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

22200957900 is a wasteful number, since it uses less digits than its factorization.

22200957900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711 (or 14695 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

It can be divided in two parts, 22200 and 957900, that added together give a square (980100 = 990²).

The spelling of 22200957900 in words is "twenty-two billion, two hundred million, nine hundred fifty-seven thousand, nine hundred".