222011212200 has 96 divisors (see below), whose sum is σ = 718158052800. Its totient is φ = 56628943360.

The previous prime is 222011212169. The next prime is 222011212231. The reversal of 222011212200 is 2212110222.

It is an interprime number because it is at equal distance from previous prime (222011212169) and next prime (222011212231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222011212200.

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 23 ways as a sum of consecutive naturals, for example, 8030085 + ... + 8057684.

It is an arithmetic number, because the mean of its divisors is an integer number (7480813050).

Almost surely, 2^222011212200 is an apocalyptic number.

222011212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011212200 is an abundant number, since it is smaller than the sum of its proper divisors (496146840600).

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

222011212200 is a wasteful number, since it uses less digits than its factorization.

222011212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16087811 (or 16087802 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222011212200 its reverse (2212110222), we get a palindrome (224223322422).

The spelling of 222011212200 in words is "two hundred twenty-two billion, eleven million, two hundred twelve thousand, two hundred".