312222014 has 16 divisors (see below), whose sum is σ = 506152752. Its totient is φ = 143589888.

The previous prime is 312221999. The next prime is 312222019. The reversal of 312222014 is 410222213.

It is a junction number, because it is equal to n+sod(n) for n = 312221983 and 312222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222019) 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, 13859 + ... + 28574.

It is an arithmetic number, because the mean of its divisors is an integer number (31634547).

Almost surely, 2^312222014 is an apocalyptic number.

312222014 is a deficient number, since it is larger than the sum of its proper divisors (193930738).

312222014 is a wasteful number, since it uses less digits than its factorization.

312222014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42731.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312222014 is about 17669.8051488974. The cubic root of 312222014 is about 678.4031257620.

Adding to 312222014 its reverse (410222213), we get a palindrome (722444227).

The spelling of 312222014 in words is "three hundred twelve million, two hundred twenty-two thousand, fourteen".