14222421 has 12 divisors (see below), whose sum is σ = 21752172. Its totient is φ = 8923776.

The previous prime is 14222419. The next prime is 14222443. The reversal of 14222421 is 12422241.

14222421 is a `hidden beast` number, since 1 + 422 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7535025 + 6687396 = 2745^2 + 2586^2 .

It is not a de Polignac number, because 14222421 - 2¹ = 14222419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14222394 and 14222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14222471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46326 + ... + 46631.

It is an arithmetic number, because the mean of its divisors is an integer number (1812681).

Almost surely, 2^14222421 is an apocalyptic number.

It is an amenable number.

14222421 is a deficient number, since it is larger than the sum of its proper divisors (7529751).

14222421 is a wasteful number, since it uses less digits than its factorization.

14222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92980 (or 92977 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 14222421 is about 3771.2625206952. The cubic root of 14222421 is about 242.2838744657.

Adding to 14222421 its reverse (12422241), we get a palindrome (26644662).

The spelling of 14222421 in words is "fourteen million, two hundred twenty-two thousand, four hundred twenty-one".