222022202100 has 36 divisors (see below), whose sum is σ = 642384238944. Its totient is φ = 59205920480.

The previous prime is 222022202069. The next prime is 222022202123. The reversal of 222022202100 is 1202220222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222022202100.

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, 370036704 + ... + 370037303.

Almost surely, 2^222022202100 is an apocalyptic number.

222022202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022202100 is an abundant number, since it is smaller than the sum of its proper divisors (420362036844).

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

222022202100 is a wasteful number, since it uses less digits than its factorization.

222022202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740074024 (or 740074017 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222022202100 its reverse (1202220222), we get a palindrome (223224422322).

The spelling of 222022202100 in words is "two hundred twenty-two billion, twenty-two million, two hundred two thousand, one hundred".