14899221 has 20 divisors (see below), whose sum is σ = 22360800. Its totient is φ = 9886536.

The previous prime is 14899207. The next prime is 14899229. The reversal of 14899221 is 12299841.

It is not a de Polignac number, because 14899221 - 2¹⁹ = 14374933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14899229) 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 19 ways as a sum of consecutive naturals, for example, 33720 + ... + 34158.

It is an arithmetic number, because the mean of its divisors is an integer number (1118040).

Almost surely, 2^14899221 is an apocalyptic number.

It is an amenable number.

14899221 is a deficient number, since it is larger than the sum of its proper divisors (7461579).

14899221 is an equidigital number, since it uses as much as digits as its factorization.

14899221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 861 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 14899221 is about 3859.9509064236. The cubic root of 14899221 is about 246.0676494496.

The spelling of 14899221 in words is "fourteen million, eight hundred ninety-nine thousand, two hundred twenty-one".