222072200 has 96 divisors (see below), whose sum is σ = 595200000. Its totient is φ = 75479040.

The previous prime is 222072197. The next prime is 222072211. The reversal of 222072200 is 2270222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177176 + ... + 178424.

It is an arithmetic number, because the mean of its divisors is an integer number (6200000).

Almost surely, 2^222072200 is an apocalyptic number.

222072200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222072200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297600000).

222072200 is an abundant number, since it is smaller than the sum of its proper divisors (373127800).

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

222072200 is a wasteful number, since it uses less digits than its factorization.

222072200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 222072200 is about 14902.0871021478. The cubic root of 222072200 is about 605.5705293582.

The spelling of 222072200 in words is "two hundred twenty-two million, seventy-two thousand, two hundred".