220002213222100 has 36 divisors (see below), whose sum is σ = 477421649113500. Its totient is φ = 87997779957760.

The previous prime is 220002213222041. The next prime is 220002213222101. The reversal of 220002213222100 is 1222312200022.

It can be written as a sum of positive squares in 6 ways, for example, as 8618005694736 + 211384207527364 = 2935644^2 + 14539058^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002213222101) 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, 35967565 + ... + 41637364.

It is an arithmetic number, because the mean of its divisors is an integer number (13261712475375).

Almost surely, 2^{220002213222100} is an apocalyptic number.

220002213222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002213222100 is an abundant number, since it is smaller than the sum of its proper divisors (257419435891400).

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

220002213222100 is a wasteful number, since it uses less digits than its factorization.

220002213222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77633292 (or 77633285 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220002213222100 its reverse (1222312200022), we get a palindrome (221224525422122).

The spelling of 220002213222100 in words is "two hundred twenty trillion, two billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred".