220000222100 has 36 divisors (see below), whose sum is σ = 480441283644. Its totient is φ = 87439572480.

The previous prime is 220000222097. The next prime is 220000222103. The reversal of 220000222100 is 1222000022.

220000222100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220000222097) and next prime (220000222103).

It can be written as a sum of positive squares in 6 ways, for example, as 3711977476 + 216288244624 = 60926^2 + 465068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6990677 + ... + 7022076.

Almost surely, 2^220000222100 is an apocalyptic number.

220000222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000222100 is an abundant number, since it is smaller than the sum of its proper divisors (260441061544).

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

220000222100 is a wasteful number, since it uses less digits than its factorization.

220000222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012924 (or 14012917 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 220000222100 its reverse (1222000022), we get a palindrome (221222222122).

The spelling of 220000222100 in words is "two hundred twenty billion, two hundred twenty-two thousand, one hundred".