231210422 has 8 divisors (see below), whose sum is σ = 347482872. Its totient is φ = 115382800.

The previous prime is 231210409. The next prime is 231210443. The reversal of 231210422 is 224012132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231210422.

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, 109904 + ... + 111987.

It is an arithmetic number, because the mean of its divisors is an integer number (43435359).

Almost surely, 2^231210422 is an apocalyptic number.

231210422 is a deficient number, since it is larger than the sum of its proper divisors (116272450).

231210422 is a wasteful number, since it uses less digits than its factorization.

231210422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222414.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231210422 is about 15205.6049534374. The cubic root of 231210422 is about 613.7654941660.

Adding to 231210422 its reverse (224012132), we get a palindrome (455222554).

The spelling of 231210422 in words is "two hundred thirty-one million, two hundred ten thousand, four hundred twenty-two".