220443115 has 8 divisors (see below), whose sum is σ = 264998448. Its totient is φ = 176043360.

The previous prime is 220443049. The next prime is 220443163. The reversal of 220443115 is 511344022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220443115 - 2⁷ = 220442987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35752 + ... + 41461.

It is an arithmetic number, because the mean of its divisors is an integer number (33124806).

Almost surely, 2^220443115 is an apocalyptic number.

220443115 is a deficient number, since it is larger than the sum of its proper divisors (44555333).

220443115 is an equidigital number, since it uses as much as digits as its factorization.

220443115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77789.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220443115 is about 14847.3268637826. The cubic root of 220443115 is about 604.0861051096.

Adding to 220443115 its reverse (511344022), we get a palindrome (731787137).

The spelling of 220443115 in words is "two hundred twenty million, four hundred forty-three thousand, one hundred fifteen".