14221140 has 24 divisors (see below), whose sum is σ = 39819360. Its totient is φ = 3792288.

The previous prime is 14221133. The next prime is 14221147. The reversal of 14221140 is 4112241.

It is an interprime number because it is at equal distance from previous prime (14221133) and next prime (14221147).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118450 + ... + 118569.

It is an arithmetic number, because the mean of its divisors is an integer number (1659140).

Almost surely, 2^14221140 is an apocalyptic number.

14221140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14221140 is an abundant number, since it is smaller than the sum of its proper divisors (25598220).

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

14221140 is a wasteful number, since it uses less digits than its factorization.

14221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237031 (or 237029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 14221140 is about 3771.0926798476. The cubic root of 14221140 is about 242.2766001542.

Adding to 14221140 its reverse (4112241), we get a palindrome (18333381).

The spelling of 14221140 in words is "fourteen million, two hundred twenty-one thousand, one hundred forty".