220314649 has 3 divisors (see below), whose sum is σ = 220329493. Its totient is φ = 220299806.

The previous prime is 220314641. The next prime is 220314659. The reversal of 220314649 is 946413022.

It is a happy number.

The square root of 220314649 is 14843.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 220314649 - 2³ = 220314641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220314649.

It is not an unprimeable number, because it can be changed into a prime (220314641) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 7422 + ... + 22264.

Almost surely, 2^220314649 is an apocalyptic number.

220314649 is the 14843-rd square number.

220314649 is the 7422-nd centered octagonal number.

It is an amenable number.

220314649 is a deficient number, since it is larger than the sum of its proper divisors (14844).

220314649 is an frugal number, since it uses more digits than its factorization.

220314649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686 (or 14843 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The cubic root of 220314649 is about 603.9687360468.

The spelling of 220314649 in words is "two hundred twenty million, three hundred fourteen thousand, six hundred forty-nine".