312545422 has 12 divisors (see below), whose sum is σ = 545360040. Its totient is φ = 133947996.

The previous prime is 312545377. The next prime is 312545437. The reversal of 312545422 is 224545213.

312545422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1594522 + ... + 1594717.

It is an arithmetic number, because the mean of its divisors is an integer number (45446670).

Almost surely, 2^312545422 is an apocalyptic number.

312545422 is a deficient number, since it is larger than the sum of its proper divisors (232814618).

312545422 is a wasteful number, since it uses less digits than its factorization.

312545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189255 (or 3189248 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 312545422 is about 17678.9542111517. The cubic root of 312545422 is about 678.6372810298.

The spelling of 312545422 in words is "three hundred twelve million, five hundred forty-five thousand, four hundred twenty-two".