312445422 has 12 divisors (see below), whose sum is σ = 676965120. Its totient is φ = 104148468.

The previous prime is 312445421. The next prime is 312445423. The reversal of 312445422 is 224544213.

It is an interprime number because it is at equal distance from previous prime (312445421) and next prime (312445423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312445421) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8679022 + ... + 8679057.

It is an arithmetic number, because the mean of its divisors is an integer number (56413760).

Almost surely, 2^312445422 is an apocalyptic number.

312445422 is an abundant number, since it is smaller than the sum of its proper divisors (364519698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312445422 is a wasteful number, since it uses less digits than its factorization.

312445422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358087 (or 17358084 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 312445422 is about 17676.1257633001. The cubic root of 312445422 is about 678.5648958527.

Adding to 312445422 its reverse (224544213), we get a palindrome (536989635).

The spelling of 312445422 in words is "three hundred twelve million, four hundred forty-five thousand, four hundred twenty-two".