14222381 has 4 divisors (see below), whose sum is σ = 14326332. Its totient is φ = 14118432.

The previous prime is 14222347. The next prime is 14222419. The reversal of 14222381 is 18322241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 9954025 = 2066^2 + 3155^2 .

It is a cyclic number.

It is not a de Polignac number, because 14222381 - 2¹⁸ = 13960237 is a prime.

It is a super-2 number, since 2×14222381² = 404552242618322, 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 (14222321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51770 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (3581583).

Almost surely, 2^14222381 is an apocalyptic number.

It is an amenable number.

14222381 is a deficient number, since it is larger than the sum of its proper divisors (103951).

14222381 is a wasteful number, since it uses less digits than its factorization.

14222381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103950.

The product of its digits is 768, while the sum is 23.

The square root of 14222381 is about 3771.2572174276. The cubic root of 14222381 is about 242.2836473275.

The spelling of 14222381 in words is "fourteen million, two hundred twenty-two thousand, three hundred eighty-one".