14764221 has 16 divisors (see below), whose sum is σ = 22465600. Its totient is φ = 9576144.

The previous prime is 14764213. The next prime is 14764247. The reversal of 14764221 is 12246741.

14764221 is a `hidden beast` number, since 14 + 7 + 642 + 2 + 1 = 666.

14764221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14764221 - 2³ = 14764213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14764201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6391 + ... + 8388.

It is an arithmetic number, because the mean of its divisors is an integer number (1404100).

Almost surely, 2^14764221 is an apocalyptic number.

It is an amenable number.

14764221 is a deficient number, since it is larger than the sum of its proper divisors (7701379).

14764221 is a wasteful number, since it uses less digits than its factorization.

14764221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14825 (or 14819 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 14764221 is about 3842.4238443982. The cubic root of 14764221 is about 245.3221972258.

The spelling of 14764221 in words is "fourteen million, seven hundred sixty-four thousand, two hundred twenty-one".