14220664 has 16 divisors (see below), whose sum is σ = 28067400. Its totient is φ = 6736032.

The previous prime is 14220631. The next prime is 14220667. The reversal of 14220664 is 46602241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46627 + ... + 46930.

Almost surely, 2^14220664 is an apocalyptic number.

It is an amenable number.

14220664 is a deficient number, since it is larger than the sum of its proper divisors (13846736).

14220664 is a wasteful number, since it uses less digits than its factorization.

14220664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93582 (or 93578 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 14220664 is about 3771.0295676380. The cubic root of 14220664 is about 242.2738970200.

It can be divided in two parts, 14220 and 664, that added together give a square (14884 = 122²).

The spelling of 14220664 in words is "fourteen million, two hundred twenty thousand, six hundred sixty-four".