312225122 has 8 divisors (see below), whose sum is σ = 510913872. Its totient is φ = 141920500.

The previous prime is 312225113. The next prime is 312225131. The reversal of 312225122 is 221522213.

It is an interprime number because it is at equal distance from previous prime (312225113) and next prime (312225131).

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

It is a junction number, because it is equal to n+sod(n) for n = 312225094 and 312225103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7096004 + ... + 7096047.

It is an arithmetic number, because the mean of its divisors is an integer number (63864234).

Almost surely, 2^312225122 is an apocalyptic number.

312225122 is a deficient number, since it is larger than the sum of its proper divisors (198688750).

312225122 is a wasteful number, since it uses less digits than its factorization.

312225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14192064.

The product of its digits is 480, while the sum is 20.

The square root of 312225122 is about 17669.8930953189. The cubic root of 312225122 is about 678.4053767990.

Adding to 312225122 its reverse (221522213), we get a palindrome (533747335).

The spelling of 312225122 in words is "three hundred twelve million, two hundred twenty-five thousand, one hundred twenty-two".