2889722 has 12 divisors (see below), whose sum is σ = 4764858. Its totient is φ = 1313400.

The previous prime is 2889707. The next prime is 2889739. The reversal of 2889722 is 2279882.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 203401 = 1639^2 + 451^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5729 + ... + 6212.

2^2889722 is an apocalyptic number.

2889722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2889722 is a deficient number, since it is larger than the sum of its proper divisors (1875136).

2889722 is a wasteful number, since it uses less digits than its factorization.

2889722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965 (or 11954 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 2889722 is about 1699.9182333277. The cubic root of 2889722 is about 142.4356455077.

The spelling of 2889722 in words is "two million, eight hundred eighty-nine thousand, seven hundred twenty-two".