222010222100 has 36 divisors (see below), whose sum is σ = 498374677500. Its totient is φ = 85741877760.

The previous prime is 222010222079. The next prime is 222010222193. The reversal of 222010222100 is 1222010222.

It can be written as a sum of positive squares in 6 ways, for example, as 21537323536 + 200472898564 = 146756^2 + 447742^2 .

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, 38274725 + ... + 38280524.

Almost surely, 2^222010222100 is an apocalyptic number.

222010222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222010222100 is an abundant number, since it is smaller than the sum of its proper divisors (276364455400).

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

222010222100 is a wasteful number, since it uses less digits than its factorization.

222010222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555292 (or 76555285 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222010222100 its reverse (1222010222), we get a palindrome (223232232322).

The spelling of 222010222100 in words is "two hundred twenty-two billion, ten million, two hundred twenty-two thousand, one hundred".