14221870 has 32 divisors (see below), whose sum is σ = 28465920. Its totient is φ = 5080320.

The previous prime is 14221859. The next prime is 14221873. The reversal of 14221870 is 7812241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (889560).

Almost surely, 2^14221870 is an apocalyptic number.

14221870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14221870 is an abundant number, since it is smaller than the sum of its proper divisors (14244050).

14221870 is a wasteful number, since it uses less digits than its factorization.

14221870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 14221870 is about 3771.1894675288. The cubic root of 14221870 is about 242.2807455999.

The spelling of 14221870 in words is "fourteen million, two hundred twenty-one thousand, eight hundred seventy".