812310422 has 64 divisors (see below), whose sum is σ = 1660538880. Its totient is φ = 288230400.

The previous prime is 812310397. The next prime is 812310449. The reversal of 812310422 is 224013218.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76154 + ... + 86162.

It is an arithmetic number, because the mean of its divisors is an integer number (25945920).

Almost surely, 2^812310422 is an apocalyptic number.

812310422 is an abundant number, since it is smaller than the sum of its proper divisors (848228458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812310422 is a wasteful number, since it uses less digits than its factorization.

812310422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 812310422 is about 28501.0600153749. The cubic root of 812310422 is about 933.0552089949.

The spelling of 812310422 in words is "eight hundred twelve million, three hundred ten thousand, four hundred twenty-two".