312516226 has 32 divisors (see below), whose sum is σ = 534988800. Its totient is φ = 135529680.

The previous prime is 312516163. The next prime is 312516241. The reversal of 312516226 is 622615213.

It is a junction number, because it is equal to n+sod(n) for n = 312516194 and 312516203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363385 + ... + 364243.

It is an arithmetic number, because the mean of its divisors is an integer number (16718400).

Almost surely, 2^312516226 is an apocalyptic number.

312516226 is a deficient number, since it is larger than the sum of its proper divisors (222472574).

312516226 is a wasteful number, since it uses less digits than its factorization.

312516226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its digits is 4320, while the sum is 28.

The square root of 312516226 is about 17678.1284642917. The cubic root of 312516226 is about 678.6161490495.

The spelling of 312516226 in words is "three hundred twelve million, five hundred sixteen thousand, two hundred twenty-six".