222100022200 has 48 divisors (see below), whose sum is σ = 590151491280. Its totient is φ = 76148578560.

The previous prime is 222100022173. The next prime is 222100022201. The reversal of 222100022200 is 2220001222.

It is a super-2 number, since 2×222100022200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100022201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79320037 + ... + 79322836.

It is an arithmetic number, because the mean of its divisors is an integer number (12294822735).

Almost surely, 2^222100022200 is an apocalyptic number.

222100022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100022200 is an abundant number, since it is smaller than the sum of its proper divisors (368051469080).

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

222100022200 is a wasteful number, since it uses less digits than its factorization.

222100022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158642896 (or 158642887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 222100022200 its reverse (2220001222), we get a palindrome (224320023422).

The spelling of 222100022200 in words is "two hundred twenty-two billion, one hundred million, twenty-two thousand, two hundred".