2981822 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 1399320.

The previous prime is 2981819. The next prime is 2981827. The reversal of 2981822 is 2281892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981827) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

2^2981822 is an apocalyptic number.

2981822 is a deficient number, since it is larger than the sum of its proper divisors (1770178).

2981822 is a wasteful number, since it uses less digits than its factorization.

2981822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its digits is 4608, while the sum is 32.

The square root of 2981822 is about 1726.7952976540. The cubic root of 2981822 is about 143.9330643128.

The spelling of 2981822 in words is "two million, nine hundred eighty-one thousand, eight hundred twenty-two".