220316224 has 14 divisors (see below), whose sum is σ = 437190134. Its totient is φ = 110158080.

The previous prime is 220316203. The next prime is 220316237. The reversal of 220316224 is 422613022.

It can be written as a sum of positive squares in only one way, i.e., 217857600 + 2458624 = 14760^2 + 1568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220316195 and 220316204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721157 + ... + 1721284.

Almost surely, 2^220316224 is an apocalyptic number.

It is an amenable number.

220316224 is a deficient number, since it is larger than the sum of its proper divisors (216873910).

220316224 is an equidigital number, since it uses as much as digits as its factorization.

220316224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442453 (or 3442443 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 220316224 is about 14843.0530552174. The cubic root of 220316224 is about 603.9701752740.

Adding to 220316224 its reverse (422613022), we get a palindrome (642929246).

The spelling of 220316224 in words is "two hundred twenty million, three hundred sixteen thousand, two hundred twenty-four".