631982422 has 12 divisors (see below), whose sum is σ = 974291220. Its totient is φ = 307449576.

The previous prime is 631982411. The next prime is 631982473. The reversal of 631982422 is 224289136.

It is a happy number.

631982422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 112672 + ... + 118147.

It is an arithmetic number, because the mean of its divisors is an integer number (81190935).

Almost surely, 2^631982422 is an apocalyptic number.

631982422 is the 13438-th centered heptagonal number.

631982422 is a deficient number, since it is larger than the sum of its proper divisors (342308798).

631982422 is a wasteful number, since it uses less digits than its factorization.

631982422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230895 (or 230858 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 631982422 is about 25139.2605698736. The cubic root of 631982422 is about 858.1601291719.

The spelling of 631982422 in words is "six hundred thirty-one million, nine hundred eighty-two thousand, four hundred twenty-two".