231422814 has 24 divisors (see below), whose sum is σ = 573047280. Its totient is φ = 66120768.

The previous prime is 231422809. The next prime is 231422881. The reversal of 231422814 is 418224132.

231422814 is a `hidden beast` number, since 231 + 422 + 8 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918219 + ... + 918470.

It is an arithmetic number, because the mean of its divisors is an integer number (23876970).

Almost surely, 2^231422814 is an apocalyptic number.

231422814 is an abundant number, since it is smaller than the sum of its proper divisors (341624466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231422814 is a wasteful number, since it uses less digits than its factorization.

231422814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836704 (or 1836701 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 231422814 is about 15212.5873538987. The cubic root of 231422814 is about 613.9533735066.

Adding to 231422814 its reverse (418224132), we get a palindrome (649646946).

The spelling of 231422814 in words is "two hundred thirty-one million, four hundred twenty-two thousand, eight hundred fourteen".