220313224 has 8 divisors (see below), whose sum is σ = 413087310. Its totient is φ = 110156608.

The previous prime is 220313201. The next prime is 220313231. The reversal of 220313224 is 422313022.

It can be written as a sum of positive squares in only one way, i.e., 182736324 + 37576900 = 13518^2 + 6130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13769569 + ... + 13769584.

Almost surely, 2^220313224 is an apocalyptic number.

It is an amenable number.

220313224 is a deficient number, since it is larger than the sum of its proper divisors (192774086).

220313224 is a wasteful number, since it uses less digits than its factorization.

220313224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539159 (or 27539155 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220313224 is about 14842.9519974970. The cubic root of 220313224 is about 603.9674338829.

Adding to 220313224 its reverse (422313022), we get a palindrome (642626246).

The spelling of 220313224 in words is "two hundred twenty million, three hundred thirteen thousand, two hundred twenty-four".