220332222 has 24 divisors (see below), whose sum is σ = 520785720. Its totient is φ = 66767280.

The previous prime is 220332209. The next prime is 220332239. The reversal of 220332222 is 222233022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220332195 and 220332204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556197 + ... + 556592.

It is an arithmetic number, because the mean of its divisors is an integer number (21699405).

Almost surely, 2^220332222 is an apocalyptic number.

220332222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220332222 is an abundant number, since it is smaller than the sum of its proper divisors (300453498).

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

220332222 is a wasteful number, since it uses less digits than its factorization.

220332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112808 (or 1112805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220332222 is about 14843.5919507375. The cubic root of 220332222 is about 603.9847937782.

Adding to 220332222 its reverse (222233022), we get a palindrome (442565244).

The spelling of 220332222 in words is "two hundred twenty million, three hundred thirty-two thousand, two hundred twenty-two".