222232132100 has 72 divisors (see below), whose sum is σ = 530910811200. Its totient is φ = 80070249600.

The previous prime is 222232132093. The next prime is 222232132151. The reversal of 222232132100 is 1231232222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806840 + ... + 1046639.

Almost surely, 2^222232132100 is an apocalyptic number.

222232132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222232132100 is an abundant number, since it is smaller than the sum of its proper divisors (308678679100).

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

222232132100 is a wasteful number, since it uses less digits than its factorization.

222232132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853613 (or 1853606 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222232132100 its reverse (1231232222), we get a palindrome (223463364322).

The spelling of 222232132100 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred".