220284964 has 27 divisors (see below), whose sum is σ = 397325523. Its totient is φ = 106862400.

The previous prime is 220284959. The next prime is 220285049. The reversal of 220284964 is 469482022.

The square root of 220284964 is 14842.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 197627364 + 22657600 = 14058^2 + 4760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1216954 + ... + 1217134.

Almost surely, 2^220284964 is an apocalyptic number.

220284964 is the 14842-nd square number.

It is an amenable number.

220284964 is a deficient number, since it is larger than the sum of its proper divisors (177040559).

220284964 is an equidigital number, since it uses as much as digits as its factorization.

220284964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The cubic root of 220284964 is about 603.9416087581.

The spelling of 220284964 in words is "two hundred twenty million, two hundred eighty-four thousand, nine hundred sixty-four".