220450624 has 14 divisors (see below), whose sum is σ = 437456834. Its totient is φ = 110225280.

The previous prime is 220450603. The next prime is 220450627. The reversal of 220450624 is 426054022.

It can be written as a sum of positive squares in only one way, i.e., 219988224 + 462400 = 14832^2 + 680^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220450627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722207 + ... + 1722334.

Almost surely, 2^220450624 is an apocalyptic number.

It is an amenable number.

220450624 is a deficient number, since it is larger than the sum of its proper divisors (217006210).

220450624 is an equidigital number, since it uses as much as digits as its factorization.

220450624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444553 (or 3444543 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 220450624 is about 14847.5797354316. The cubic root of 220450624 is about 604.0929640689.

The spelling of 220450624 in words is "two hundred twenty million, four hundred fifty thousand, six hundred twenty-four".