312243422 has 8 divisors (see below), whose sum is σ = 469391376. Its totient is φ = 155779632.

The previous prime is 312243401. The next prime is 312243457. The reversal of 312243422 is 224342213.

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

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, 169898 + ... + 171725.

It is an arithmetic number, because the mean of its divisors is an integer number (58673922).

Almost surely, 2^312243422 is an apocalyptic number.

312243422 is a deficient number, since it is larger than the sum of its proper divisors (157147954).

312243422 is a wasteful number, since it uses less digits than its factorization.

312243422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342082.

The product of its digits is 2304, while the sum is 23.

The square root of 312243422 is about 17670.4109176895. The cubic root of 312243422 is about 678.4186306715.

Adding to 312243422 its reverse (224342213), we get a palindrome (536585635).

The spelling of 312243422 in words is "three hundred twelve million, two hundred forty-three thousand, four hundred twenty-two".