2822991312 has 160 divisors (see below), whose sum is σ = 7725041280. Its totient is φ = 887111680.

The previous prime is 2822991271. The next prime is 2822991343. The reversal of 2822991312 is 2131992282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20605708 + ... + 20605844.

It is an arithmetic number, because the mean of its divisors is an integer number (48281508).

Almost surely, 2^2822991312 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 2822991312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862520640).

2822991312 is an abundant number, since it is smaller than the sum of its proper divisors (4902049968).

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

2822991312 is a wasteful number, since it uses less digits than its factorization.

2822991312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 2822991312 is about 53131.8295563027. The cubic root of 2822991312 is about 1413.3070125829.

The spelling of 2822991312 in words is "two billion, eight hundred twenty-two million, nine hundred ninety-one thousand, three hundred twelve".