220423315 has 12 divisors (see below), whose sum is σ = 307693296. Its totient is φ = 151147248.

The previous prime is 220423297. The next prime is 220423321. The reversal of 220423315 is 513324022.

It is not a de Polignac number, because 220423315 - 2⁷ = 220423187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 449599 + ... + 450088.

It is an arithmetic number, because the mean of its divisors is an integer number (25641108).

Almost surely, 2^220423315 is an apocalyptic number.

220423315 is a deficient number, since it is larger than the sum of its proper divisors (87269981).

220423315 is an equidigital number, since it uses as much as digits as its factorization.

220423315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899706 (or 899699 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 220423315 is about 14846.6600621150. The cubic root of 220423315 is about 604.0680184134.

Adding to 220423315 its reverse (513324022), we get a palindrome (733747337).

The spelling of 220423315 in words is "two hundred twenty million, four hundred twenty-three thousand, three hundred fifteen".