312422243 has 8 divisors (see below), whose sum is σ = 378057312. Its totient is φ = 252038016.

The previous prime is 312422237. The next prime is 312422251. The reversal of 312422243 is 342224213.

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

It is a cyclic number.

It is not a de Polignac number, because 312422243 - 2¹² = 312418147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312422213) 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 7 ways as a sum of consecutive naturals, for example, 1312580 + ... + 1312817.

It is an arithmetic number, because the mean of its divisors is an integer number (47257164).

Almost surely, 2^312422243 is an apocalyptic number.

312422243 is a deficient number, since it is larger than the sum of its proper divisors (65635069).

312422243 is a wasteful number, since it uses less digits than its factorization.

312422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625421.

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

The square root of 312422243 is about 17675.4700927585. The cubic root of 312422243 is about 678.5481154877.

Adding to 312422243 its reverse (342224213), we get a palindrome (654646456).

The spelling of 312422243 in words is "three hundred twelve million, four hundred twenty-two thousand, two hundred forty-three".