222200220 has 48 divisors (see below), whose sum is σ = 678722688. Its totient is φ = 53866560.

The previous prime is 222200191. The next prime is 222200227. The reversal of 222200220 is 22002222.

222200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 222200196 and 222200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167674 + ... + 168993.

It is an arithmetic number, because the mean of its divisors is an integer number (14140056).

Almost surely, 2^222200220 is an apocalyptic number.

222200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200220 is an abundant number, since it is smaller than the sum of its proper divisors (456522468).

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

222200220 is a wasteful number, since it uses less digits than its factorization.

222200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336690 (or 336688 counting only the distinct ones).

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

The square root of 222200220 is about 14906.3818547627. The cubic root of 222200220 is about 605.6868732721.

Adding to 222200220 its reverse (22002222), we get a palindrome (244202442).

It can be divided in two parts, 2 and 22200220, that added together give a palindrome (22200222).

The spelling of 222200220 in words is "two hundred twenty-two million, two hundred thousand, two hundred twenty".