231364222 has 32 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 105821760.

The previous prime is 231364213. The next prime is 231364283. The reversal of 231364222 is 222463132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126003 + ... + 127825.

It is an arithmetic number, because the mean of its divisors is an integer number (11819520).

Almost surely, 2^231364222 is an apocalyptic number.

231364222 is a deficient number, since it is larger than the sum of its proper divisors (146860418).

231364222 is a wasteful number, since it uses less digits than its factorization.

231364222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its digits is 3456, while the sum is 25.

The square root of 231364222 is about 15210.6614583324. The cubic root of 231364222 is about 613.9015552326.

The spelling of 231364222 in words is "two hundred thirty-one million, three hundred sixty-four thousand, two hundred twenty-two".