312022426 has 16 divisors (see below), whose sum is σ = 484772040. Its totient is φ = 150445120.

The previous prime is 312022421. The next prime is 312022441. The reversal of 312022426 is 624220213.

It can be written as a sum of positive squares in 4 ways, for example, as 288490225 + 23532201 = 16985^2 + 4851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312022397 and 312022406.

It is not an unprimeable number, because it can be changed into a prime (312022421) 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, 51720 + ... + 57436.

Almost surely, 2^312022426 is an apocalyptic number.

312022426 is a deficient number, since it is larger than the sum of its proper divisors (172749614).

312022426 is a wasteful number, since it uses less digits than its factorization.

312022426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 312022426 is about 17664.1565323680. The cubic root of 312022426 is about 678.2585384930.

Adding to 312022426 its reverse (624220213), we get a palindrome (936242639).

The spelling of 312022426 in words is "three hundred twelve million, twenty-two thousand, four hundred twenty-six".