14194421 has 4 divisors (see below), whose sum is σ = 14578092. Its totient is φ = 13810752.

The previous prime is 14194417. The next prime is 14194447. The reversal of 14194421 is 12449141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12449141 = 23 ⋅541267.

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 4202500 = 3161^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 14194421 - 2² = 14194417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14194451) 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, 191780 + ... + 191853.

It is an arithmetic number, because the mean of its divisors is an integer number (3644523).

Almost surely, 2^14194421 is an apocalyptic number.

It is an amenable number.

14194421 is a deficient number, since it is larger than the sum of its proper divisors (383671).

14194421 is an equidigital number, since it uses as much as digits as its factorization.

14194421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383670.

The product of its digits is 1152, while the sum is 26.

The square root of 14194421 is about 3767.5484071210. The cubic root of 14194421 is about 242.1247734410.

The spelling of 14194421 in words is "fourteen million, one hundred ninety-four thousand, four hundred twenty-one".