14220565 has 8 divisors (see below), whose sum is σ = 17085528. Its totient is φ = 11362560.

The previous prime is 14220559. The next prime is 14220611. The reversal of 14220565 is 56502241.

It can be written as a sum of positive squares in 4 ways, for example, as 1418481 + 12802084 = 1191^2 + 3578^2 .

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

It is not a de Polignac number, because 14220565 - 2⁵ = 14220533 is a prime.

It is a Duffinian number.

It is a congruent 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, 5529 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (2135691).

Almost surely, 2^14220565 is an apocalyptic number.

It is an amenable number.

14220565 is a deficient number, since it is larger than the sum of its proper divisors (2864963).

14220565 is a wasteful number, since it uses less digits than its factorization.

14220565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 14220565 is about 3771.0164412264. The cubic root of 14220565 is about 242.2733348060.

The spelling of 14220565 in words is "fourteen million, two hundred twenty thousand, five hundred sixty-five".