222022200 has 192 divisors, whose sum is σ = 721784160. Its totient is φ = 56401920.

The previous prime is 222022189. The next prime is 222022211. The reversal of 222022200 is 2220222.

222022200 is digitally balanced in base 3, 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 (222022189) and next prime (222022211).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1620532 + ... + 1620668.

Almost surely, 2^222022200 is an apocalyptic number.

222022200 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 222022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360892080).

222022200 is an abundant number, since it is smaller than the sum of its proper divisors (499761960).

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

222022200 is a wasteful number, since it uses less digits than its factorization.

222022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 222022200 is about 14900.4093903490. The cubic root of 222022200 is about 605.5250774749.

Adding to 222022200 its reverse (2220222), we get a palindrome (224242422).

Multiplying 222022200 by its reverse (2220222), we get a square (492938572928400 = 22202220²).

222022200 divided by its reverse (2220222) gives a square (100 = 10²).

It can be divided in two parts, 222022 and 200, that added together give a palindrome (222222).

The spelling of 222022200 in words is "two hundred twenty-two million, twenty-two thousand, two hundred".