14221380 has 48 divisors (see below), whose sum is σ = 39985344. Its totient is φ = 3776640.

The previous prime is 14221327. The next prime is 14221387. The reversal of 14221380 is 8312241.

It is not an unprimeable number, because it can be changed into a prime (14221387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24979 + ... + 25541.

It is an arithmetic number, because the mean of its divisors is an integer number (833028).

Almost surely, 2^14221380 is an apocalyptic number.

14221380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14221380 is an abundant number, since it is smaller than the sum of its proper divisors (25763964).

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

14221380 is a wasteful number, since it uses less digits than its factorization.

14221380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 14221380 is about 3771.1245007292. The cubic root of 14221380 is about 242.2779630561.

The spelling of 14221380 in words is "fourteen million, two hundred twenty-one thousand, three hundred eighty".