312322066 has 16 divisors (see below), whose sum is σ = 535639104. Its totient is φ = 133794864.

The previous prime is 312322009. The next prime is 312322081. The reversal of 312322066 is 660223213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312322066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53256 + ... + 58828.

It is an arithmetic number, because the mean of its divisors is an integer number (33477444).

Almost surely, 2^312322066 is an apocalyptic number.

312322066 is a deficient number, since it is larger than the sum of its proper divisors (223317038).

312322066 is a wasteful number, since it uses less digits than its factorization.

312322066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 312322066 is about 17672.6360795440. The cubic root of 312322066 is about 678.4755831134.

Adding to 312322066 its reverse (660223213), we get a palindrome (972545279).

The spelling of 312322066 in words is "three hundred twelve million, three hundred twenty-two thousand, sixty-six".