220032222 has 32 divisors (see below), whose sum is σ = 461030400. Its totient is φ = 69914208.

The previous prime is 220032209. The next prime is 220032259. The reversal of 220032222 is 222230022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5743 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (14407200).

Almost surely, 2^220032222 is an apocalyptic number.

220032222 is an abundant number, since it is smaller than the sum of its proper divisors (240998178).

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

220032222 is a wasteful number, since it uses less digits than its factorization.

220032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16120.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220032222 is about 14833.4831378203. The cubic root of 220032222 is about 603.7105446828.

Adding to 220032222 its reverse (222230022), we get a palindrome (442262244).

The spelling of 220032222 in words is "two hundred twenty million, thirty-two thousand, two hundred twenty-two".