997222982 has 16 divisors (see below), whose sum is σ = 1713714720. Its totient is φ = 426333888.

The previous prime is 997222979. The next prime is 997223011. The reversal of 997222982 is 289222799.

997222982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 997222982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81353 + ... + 92804.

It is an arithmetic number, because the mean of its divisors is an integer number (107107170).

Almost surely, 2^997222982 is an apocalyptic number.

997222982 is a deficient number, since it is larger than the sum of its proper divisors (716491738).

997222982 is a wasteful number, since it uses less digits than its factorization.

997222982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174575.

The product of its digits is 653184, while the sum is 50.

The square root of 997222982 is about 31578.8375656863. The cubic root of 997222982 is about 999.0734691390.

The spelling of 997222982 in words is "nine hundred ninety-seven million, two hundred twenty-two thousand, nine hundred eighty-two".