222002200 has 48 divisors (see below), whose sum is σ = 589895280. Its totient is φ = 76114560.

The previous prime is 222002189. The next prime is 222002219. The reversal of 222002200 is 2200222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77887 + ... + 80686.

It is an arithmetic number, because the mean of its divisors is an integer number (12289485).

Almost surely, 2^222002200 is an apocalyptic number.

222002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002200 is an abundant number, since it is smaller than the sum of its proper divisors (367893080).

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

222002200 is a wasteful number, since it uses less digits than its factorization.

222002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158596 (or 158587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 222002200 is about 14899.7382527345. The cubic root of 222002200 is about 605.5068948108.

Adding to 222002200 its reverse (2200222), we get a palindrome (224202422).

The spelling of 222002200 in words is "two hundred twenty-two million, two thousand, two hundred".