312422421 has 8 divisors (see below), whose sum is σ = 417583360. Its totient is φ = 207771552.

The previous prime is 312422401. The next prime is 312422437. The reversal of 312422421 is 124224213.

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

It is not a de Polignac number, because 312422421 - 2²³ = 304033813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312422401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126085 + ... + 128538.

It is an arithmetic number, because the mean of its divisors is an integer number (52197920).

Almost surely, 2^312422421 is an apocalyptic number.

It is an amenable number.

312422421 is a deficient number, since it is larger than the sum of its proper divisors (105160939).

312422421 is a wasteful number, since it uses less digits than its factorization.

312422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255035.

The product of its digits is 768, while the sum is 21.

The square root of 312422421 is about 17675.4751279845. The cubic root of 312422421 is about 678.5482443534.

Adding to 312422421 its reverse (124224213), we get a palindrome (436646634).

The spelling of 312422421 in words is "three hundred twelve million, four hundred twenty-two thousand, four hundred twenty-one".