631806422 has 16 divisors (see below), whose sum is σ = 1034988192. Its totient is φ = 287495040.

The previous prime is 631806421. The next prime is 631806437. The reversal of 631806422 is 224608136.

631806422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631806421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169283 + ... + 172974.

It is an arithmetic number, because the mean of its divisors is an integer number (64686762).

Almost surely, 2^631806422 is an apocalyptic number.

631806422 is a deficient number, since it is larger than the sum of its proper divisors (403181770).

631806422 is a wasteful number, since it uses less digits than its factorization.

631806422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342343.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 631806422 is about 25135.7598253962. The cubic root of 631806422 is about 858.0804591261.

The spelling of 631806422 in words is "six hundred thirty-one million, eight hundred six thousand, four hundred twenty-two".