14221487 has 8 divisors (see below), whose sum is σ = 16496256. Its totient is φ = 12007512.

The previous prime is 14221483. The next prime is 14221489. The reversal of 14221487 is 78412241.

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

It is a cyclic number.

It is not a de Polignac number, because 14221487 - 2² = 14221483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14693 + ... + 15630.

It is an arithmetic number, because the mean of its divisors is an integer number (2062032).

Almost surely, 2^14221487 is an apocalyptic number.

14221487 is a deficient number, since it is larger than the sum of its proper divisors (2274769).

14221487 is an equidigital number, since it uses as much as digits as its factorization.

14221487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30397.

The product of its digits is 3584, while the sum is 29.

The square root of 14221487 is about 3771.1386874524. The cubic root of 14221487 is about 242.2785706783.

The spelling of 14221487 in words is "fourteen million, two hundred twenty-one thousand, four hundred eighty-seven".