222100212320 has 48 divisors (see below), whose sum is σ = 599670576288. Its totient is φ = 76148643840.

The previous prime is 222100212277. The next prime is 222100212371. The reversal of 222100212320 is 23212001222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99150761 + ... + 99153000.

It is an arithmetic number, because the mean of its divisors is an integer number (12493137006).

Almost surely, 2^222100212320 is an apocalyptic number.

222100212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100212320 is an abundant number, since it is smaller than the sum of its proper divisors (377570363968).

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

222100212320 is a wasteful number, since it uses less digits than its factorization.

222100212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198303783 (or 198303775 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222100212320 its reverse (23212001222), we get a palindrome (245312213542).

It can be divided in two parts, 2221002 and 12320, that added together give a palindrome (2233322).

The spelling of 222100212320 in words is "two hundred twenty-two billion, one hundred million, two hundred twelve thousand, three hundred twenty".