2722992 has 80 divisors (see below), whose sum is σ = 7713792. Its totient is φ = 824320.

The previous prime is 2722987. The next prime is 2722999. The reversal of 2722992 is 2992272.

2722992 is a modest number, since divided by 2992 gives 272 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2722999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38317 + ... + 38387.

2^2722992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2722992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3856896).

2722992 is an abundant number, since it is smaller than the sum of its proper divisors (4990800).

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

2722992 is a wasteful number, since it uses less digits than its factorization.

2722992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 2722992 is about 1650.1490841739. The cubic root of 2722992 is about 139.6418054175.

The spelling of 2722992 in words is "two million, seven hundred twenty-two thousand, nine hundred ninety-two".