220243304 has 16 divisors (see below), whose sum is σ = 414430020. Its totient is φ = 109728640.

The previous prime is 220243259. The next prime is 220243319. The reversal of 220243304 is 403342022.

It can be written as a sum of positive squares in 2 ways, for example, as 173976100 + 46267204 = 13190^2 + 6802^2 .

It is a super-2 number, since 2×220243304² = 97014225913672832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46739 + ... + 51234.

Almost surely, 2^220243304 is an apocalyptic number.

It is an amenable number.

220243304 is a deficient number, since it is larger than the sum of its proper divisors (194186716).

220243304 is a wasteful number, since it uses less digits than its factorization.

220243304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98260 (or 98256 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220243304 is about 14840.5964839692. The cubic root of 220243304 is about 603.9035341460.

Adding to 220243304 its reverse (403342022), we get a palindrome (623585326).

The spelling of 220243304 in words is "two hundred twenty million, two hundred forty-three thousand, three hundred four".