2947822 has 16 divisors (see below), whose sum is σ = 4574592. Its totient is φ = 1423800.

The previous prime is 2947801. The next prime is 2947823. The reversal of 2947822 is 2287492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12873 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (285912).

2^2947822 is an apocalyptic number.

2947822 is a deficient number, since it is larger than the sum of its proper divisors (1626770).

2947822 is a wasteful number, since it uses less digits than its factorization.

2947822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 16128, while the sum is 34.

The square root of 2947822 is about 1716.9222463466. The cubic root of 2947822 is about 143.3839098001.

The spelling of 2947822 in words is "two million, nine hundred forty-seven thousand, eight hundred twenty-two".