231738422 has 8 divisors (see below), whose sum is σ = 347684400. Its totient is φ = 115843624.

The previous prime is 231738379. The next prime is 231738431. The reversal of 231738422 is 224837132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (43460550).

Almost surely, 2^231738422 is an apocalyptic number.

231738422 is a deficient number, since it is larger than the sum of its proper divisors (115945978).

231738422 is a wasteful number, since it uses less digits than its factorization.

231738422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25590.

The product of its digits is 16128, while the sum is 32.

The square root of 231738422 is about 15222.9570714760. The cubic root of 231738422 is about 614.2323442417.

The spelling of 231738422 in words is "two hundred thirty-one million, seven hundred thirty-eight thousand, four hundred twenty-two".