222202023202100 has 72 divisors (see below), whose sum is σ = 484740099106368. Its totient is φ = 88408725350400.

The previous prime is 222202023202073. The next prime is 222202023202123. The reversal of 222202023202100 is 1202320202222.

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

It is a congruent number.

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, 147610235 + ... + 149107965.

Almost surely, 2^{222202023202100} is an apocalyptic number.

222202023202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222202023202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242370049553184).

222202023202100 is an abundant number, since it is smaller than the sum of its proper divisors (262538075904268).

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

222202023202100 is a wasteful number, since it uses less digits than its factorization.

222202023202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505625 (or 1505618 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222202023202100 its reverse (1202320202222), we get a palindrome (223404343404322).

The spelling of 222202023202100 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-three million, two hundred two thousand, one hundred".