312113222 has 8 divisors (see below), whose sum is σ = 472545576. Its totient is φ = 154598032.

The previous prime is 312113189. The next prime is 312113267. The reversal of 312113222 is 222311213.

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 312113222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729023 + ... + 729450.

It is an arithmetic number, because the mean of its divisors is an integer number (59068197).

Almost surely, 2^312113222 is an apocalyptic number.

312113222 is a deficient number, since it is larger than the sum of its proper divisors (160432354).

312113222 is a wasteful number, since it uses less digits than its factorization.

312113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458582.

The product of its digits is 144, while the sum is 17.

The square root of 312113222 is about 17666.7264087040. The cubic root of 312113222 is about 678.3243213606.

Adding to 312113222 its reverse (222311213), we get a palindrome (534424435).

The spelling of 312113222 in words is "three hundred twelve million, one hundred thirteen thousand, two hundred twenty-two".