222213032100 has 72 divisors (see below), whose sum is σ = 714373756320. Its totient is φ = 59256807840.

The previous prime is 222213032081. The next prime is 222213032113. The reversal of 222213032100 is 1230312222.

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 23 ways as a sum of consecutive naturals, for example, 41147862 + ... + 41153261.

Almost surely, 2^222213032100 is an apocalyptic number.

222213032100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222213032100 is an abundant number, since it is smaller than the sum of its proper divisors (492160724220).

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

222213032100 is a wasteful number, since it uses less digits than its factorization.

222213032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82301146 (or 82301133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222213032100 its reverse (1230312222), we get a palindrome (223443344322).

The spelling of 222213032100 in words is "two hundred twenty-two billion, two hundred thirteen million, thirty-two thousand, one hundred".