22021200200 has 24 divisors (see below), whose sum is σ = 51199290930. Its totient is φ = 8808480000.

The previous prime is 22021200193. The next prime is 22021200209. The reversal of 22021200200 is 200212022.

It can be written as a sum of positive squares in 3 ways, for example, as 17149997764 + 4871202436 = 130958^2 + 69794^2 .

It is not an unprimeable number, because it can be changed into a prime (22021200209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55052801 + ... + 55053200.

Almost surely, 2^22021200200 is an apocalyptic number.

22021200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021200200 is an abundant number, since it is smaller than the sum of its proper divisors (29178090730).

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

22021200200 is a wasteful number, since it uses less digits than its factorization.

22021200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110106017 (or 110106008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22021200200 its reverse (200212022), we get a palindrome (22221412222).

The spelling of 22021200200 in words is "twenty-two billion, twenty-one million, two hundred thousand, two hundred".