14221861 has 16 divisors (see below), whose sum is σ = 15811200. Its totient is φ = 12737088.

The previous prime is 14221859. The next prime is 14221873. The reversal of 14221861 is 16812241.

It is a cyclic number.

It is not a de Polignac number, because 14221861 - 2¹ = 14221859 is a prime.

It is a super-2 number, since 2×14221861² = 404522660606642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221561) 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, 28960 + ... + 29446.

It is an arithmetic number, because the mean of its divisors is an integer number (988200).

Almost surely, 2^14221861 is an apocalyptic number.

It is an amenable number.

14221861 is a deficient number, since it is larger than the sum of its proper divisors (1589339).

14221861 is a wasteful number, since it uses less digits than its factorization.

14221861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its digits is 768, while the sum is 25.

The square root of 14221861 is about 3771.1882742711. The cubic root of 14221861 is about 242.2806944925.

The spelling of 14221861 in words is "fourteen million, two hundred twenty-one thousand, eight hundred sixty-one".