222202221222100 has 36 divisors (see below), whose sum is σ = 551061508632544. Its totient is φ = 76183618704480.

The previous prime is 222202221222041. The next prime is 222202221222109. The reversal of 222202221222100 is 1222122202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202221222109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158715871602 + ... + 158715873001.

Almost surely, 2^{222202221222100} is an apocalyptic number.

222202221222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202221222100 is an abundant number, since it is smaller than the sum of its proper divisors (328859287410444).

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

222202221222100 is a wasteful number, since it uses less digits than its factorization.

222202221222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317431744624 (or 317431744617 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222202221222100 its reverse (1222122202222), we get a palindrome (223424343424322).

The spelling of 222202221222100 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred".