231000422 has 8 divisors (see below), whose sum is σ = 349146072. Its totient is φ = 114618400.

The previous prime is 231000391. The next prime is 231000439. The reversal of 231000422 is 224000132.

231000422 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 super-2 number, since 2×231000422² = 106722389928356168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231000397 and 231000406.

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, 440579 + ... + 441102.

It is an arithmetic number, because the mean of its divisors is an integer number (43643259).

Almost surely, 2^231000422 is an apocalyptic number.

231000422 is a deficient number, since it is larger than the sum of its proper divisors (118145650).

231000422 is a wasteful number, since it uses less digits than its factorization.

231000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881814.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 231000422 is about 15198.6980363451. The cubic root of 231000422 is about 613.5796176030.

Adding to 231000422 its reverse (224000132), we get a palindrome (455000554).

The spelling of 231000422 in words is "two hundred thirty-one million, four hundred twenty-two", and thus it is an aban number.