14221370 has 16 divisors (see below), whose sum is σ = 25839648. Its totient is φ = 5634960.

The previous prime is 14221327. The next prime is 14221387. The reversal of 14221370 is 7312241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (1614978).

Almost surely, 2^14221370 is an apocalyptic number.

14221370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14221370 is a deficient number, since it is larger than the sum of its proper divisors (11618278).

14221370 is a wasteful number, since it uses less digits than its factorization.

14221370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 14221370 is about 3771.1231748645. The cubic root of 14221370 is about 242.2779062688.

It can be divided in two parts, 142 and 21370, that added together give a palindrome (21512).

The spelling of 14221370 in words is "fourteen million, two hundred twenty-one thousand, three hundred seventy".