312223422422404 has 12 divisors (see below), whose sum is σ = 546491410337628. Its totient is φ = 156083019468800.

The previous prime is 312223422422399. The next prime is 312223422422413. The reversal of 312223422422404 is 404224224322213.

It can be written as a sum of positive squares in 2 ways, for example, as 135442997448004 + 176780424974400 = 11637998^2 + 13295880^2 .

It is a super-2 number, since 2×312223422422404² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172911117 + ... + 7172954644.

It is an arithmetic number, because the mean of its divisors is an integer number (45540950861469).

Almost surely, 2^{312223422422404} is an apocalyptic number.

It is an amenable number.

312223422422404 is a deficient number, since it is larger than the sum of its proper divisors (234267987915224).

312223422422404 is a wasteful number, since it uses less digits than its factorization.

312223422422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14345871206 (or 14345871204 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 312223422422404 its reverse (404224224322213), we get a palindrome (716447646744617).

The spelling of 312223422422404 in words is "three hundred twelve trillion, two hundred twenty-three billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred four".