14917220 has 24 divisors (see below), whose sum is σ = 31416000. Its totient is φ = 5949792.

The previous prime is 14917193. The next prime is 14917241. The reversal of 14917220 is 2271941.

It is a self number, because there is not a number n which added to its sum of digits gives 14917220.

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 7 ways as a sum of consecutive naturals, for example, 7931 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (1309000).

Almost surely, 2^14917220 is an apocalyptic number.

14917220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14917220 is an abundant number, since it is smaller than the sum of its proper divisors (16498780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14917220 is a wasteful number, since it uses less digits than its factorization.

14917220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 14917220 is about 3862.2817090419. The cubic root of 14917220 is about 246.1666968952.

The spelling of 14917220 in words is "fourteen million, nine hundred seventeen thousand, two hundred twenty".