214404231 has 8 divisors (see below), whose sum is σ = 287470080. Its totient is φ = 142137272.

The previous prime is 214404193. The next prime is 214404247. The reversal of 214404231 is 132404412.

214404231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214404231 - 2⁷ = 214404103 is a prime.

It is a super-2 number, since 2×214404231² = 91938348541402722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214404198 and 214404207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214404131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199095 + ... + 200168.

It is an arithmetic number, because the mean of its divisors is an integer number (35933760).

Almost surely, 2^214404231 is an apocalyptic number.

214404231 is a deficient number, since it is larger than the sum of its proper divisors (73065849).

214404231 is a wasteful number, since it uses less digits than its factorization.

214404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399445.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214404231 is about 14642.5486511058. The cubic root of 214404231 is about 598.5187824444.

Adding to 214404231 its reverse (132404412), we get a palindrome (346808643).

The spelling of 214404231 in words is "two hundred fourteen million, four hundred four thousand, two hundred thirty-one".