992771622 has 96 divisors (see below), whose sum is σ = 2345747040. Its totient is φ = 302400000.

The previous prime is 992771617. The next prime is 992771639. The reversal of 992771622 is 226177299.

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 47 ways as a sum of consecutive naturals, for example, 1415872 + ... + 1416572.

It is an arithmetic number, because the mean of its divisors is an integer number (24434865).

Almost surely, 2^992771622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992771622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172873520).

992771622 is an abundant number, since it is smaller than the sum of its proper divisors (1352975418).

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

992771622 is a wasteful number, since it uses less digits than its factorization.

992771622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 867 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 992771622 is about 31508.2786264182. The cubic root of 992771622 is about 997.5847117459.

The spelling of 992771622 in words is "nine hundred ninety-two million, seven hundred seventy-one thousand, six hundred twenty-two".