220465814 has 16 divisors (see below), whose sum is σ = 338342400. Its totient is φ = 107693544.

The previous prime is 220465811. The next prime is 220465867. The reversal of 220465814 is 418564022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220465811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60167 + ... + 63725.

It is an arithmetic number, because the mean of its divisors is an integer number (21146400).

Almost surely, 2^220465814 is an apocalyptic number.

220465814 is a deficient number, since it is larger than the sum of its proper divisors (117876586).

220465814 is a wasteful number, since it uses less digits than its factorization.

220465814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 220465814 is about 14848.0912578015. The cubic root of 220465814 is about 604.1068386216.

The spelling of 220465814 in words is "two hundred twenty million, four hundred sixty-five thousand, eight hundred fourteen".