222000220 has 48 divisors (see below), whose sum is σ = 519392160. Its totient is φ = 79140096.

The previous prime is 222000217. The next prime is 222000241. The reversal of 222000220 is 22000222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222000197 and 222000206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7182 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (10820670).

Almost surely, 2^222000220 is an apocalyptic number.

222000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000220 is an abundant number, since it is smaller than the sum of its proper divisors (297391940).

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

222000220 is a wasteful number, since it uses less digits than its factorization.

222000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29494 (or 29492 counting only the distinct ones).

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

The square root of 222000220 is about 14899.6718084661. The cubic root of 222000220 is about 605.5050946677.

Adding to 222000220 its reverse (22000222), we get a palindrome (244000442).

The spelling of 222000220 in words is "two hundred twenty-two million, two hundred twenty", and thus it is an aban number.