220222222010100 has 54 divisors (see below), whose sum is σ = 690274320325590. Its totient is φ = 58725925869120.

The previous prime is 220222222010099. The next prime is 220222222010117. The reversal of 220222222010100 is 1010222222022.

220222222010100 is a `hidden beast` number, since 2 + 202 + 222 + 220 + 10 + 10 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3997784306916 + 216224437703184 = 1999446^2 + 14704572^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122345677995 + ... + 122345679794.

Almost surely, 2^{220222222010100} is an apocalyptic number.

220222222010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222222010100 is an abundant number, since it is smaller than the sum of its proper divisors (470052098315490).

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

220222222010100 is a wasteful number, since it uses less digits than its factorization.

220222222010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244691357809 (or 244691357799 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220222222010100 its reverse (1010222222022), we get a palindrome (221232444232122).

The spelling of 220222222010100 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, ten thousand, one hundred".