222022222100 has 36 divisors (see below), whose sum is σ = 550615112544. Its totient is φ = 76121904480.

The previous prime is 222022222069. The next prime is 222022222111. The reversal of 222022222100 is 1222220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158586602 + ... + 158588001.

Almost surely, 2^222022222100 is an apocalyptic number.

222022222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022222100 is an abundant number, since it is smaller than the sum of its proper divisors (328592890444).

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

222022222100 is a wasteful number, since it uses less digits than its factorization.

222022222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317174624 (or 317174617 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222022222100 its reverse (1222220222), we get a palindrome (223244442322).

The spelling of 222022222100 in words is "two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred".