230731222 has 8 divisors (see below), whose sum is σ = 346869000. Its totient is φ = 115108224.

The previous prime is 230731213. The next prime is 230731261. The reversal of 230731222 is 222137032.

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

It is a super-2 number, since 2×230731222² = 106473793611226568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230731193 and 230731202.

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, 127572 + ... + 129367.

It is an arithmetic number, because the mean of its divisors is an integer number (43358625).

Almost surely, 2^230731222 is an apocalyptic number.

230731222 is a deficient number, since it is larger than the sum of its proper divisors (116137778).

230731222 is a wasteful number, since it uses less digits than its factorization.

230731222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257390.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 230731222 is about 15189.8394329894. The cubic root of 230731222 is about 613.3411767139.

Adding to 230731222 its reverse (222137032), we get a palindrome (452868254).

The spelling of 230731222 in words is "two hundred thirty million, seven hundred thirty-one thousand, two hundred twenty-two".