22210012222200 has 288 divisors, whose sum is σ = 83568584370960. Its totient is φ = 5238725068800.

The previous prime is 22210012222187. The next prime is 22210012222231. The reversal of 22210012222200 is 222221001222.

22210012222200 is a `hidden beast` number, since 2 + 221 + 0 + 0 + 1 + 222 + 220 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14425749 + ... + 15890948.

Almost surely, 2^{22210012222200} is an apocalyptic number.

22210012222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210012222200 is an abundant number, since it is smaller than the sum of its proper divisors (61358572148760).

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

22210012222200 is a wasteful number, since it uses less digits than its factorization.

22210012222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30316767 (or 30316755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22210012222200 its reverse (222221001222), we get a palindrome (22432233223422).

The spelling of 22210012222200 in words is "twenty-two trillion, two hundred ten billion, twelve million, two hundred twenty-two thousand, two hundred".