14221516 has 6 divisors (see below), whose sum is σ = 24887660. Its totient is φ = 7110756.

The previous prime is 14221511. The next prime is 14221517. The reversal of 14221516 is 61512241.

It is not an unprimeable number, because it can be changed into a prime (14221511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777686 + ... + 1777693.

Almost surely, 2^14221516 is an apocalyptic number.

It is an amenable number.

14221516 is a deficient number, since it is larger than the sum of its proper divisors (10666144).

14221516 is a wasteful number, since it uses less digits than its factorization.

14221516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555383 (or 3555381 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 14221516 is about 3771.1425324429. The cubic root of 14221516 is about 242.2787353604.

Adding to 14221516 its reverse (61512241), we get a palindrome (75733757).

The spelling of 14221516 in words is "fourteen million, two hundred twenty-one thousand, five hundred sixteen".