220032244 has 12 divisors (see below), whose sum is σ = 388464804. Its totient is φ = 109042304.

The previous prime is 220032209. The next prime is 220032259. The reversal of 220032244 is 442230022.

It can be written as a sum of positive squares in 2 ways, for example, as 17539344 + 202492900 = 4188^2 + 14230^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242947 + ... + 243850.

It is an arithmetic number, because the mean of its divisors is an integer number (32372067).

Almost surely, 2^220032244 is an apocalyptic number.

It is an amenable number.

220032244 is a deficient number, since it is larger than the sum of its proper divisors (168432560).

220032244 is a wasteful number, since it uses less digits than its factorization.

220032244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486914 (or 486912 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220032244 is about 14833.4838793859. The cubic root of 220032244 is about 603.7105648035.

Adding to 220032244 its reverse (442230022), we get a palindrome (662262266).

The spelling of 220032244 in words is "two hundred twenty million, thirty-two thousand, two hundred forty-four".