2806622 has 24 divisors (see below), whose sum is σ = 5276376. Its totient is φ = 1109808.

The previous prime is 2806619. The next prime is 2806651. The reversal of 2806622 is 2266082.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2806591 and 2806600.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 173 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (219849).

2^2806622 is an apocalyptic number.

2806622 is a deficient number, since it is larger than the sum of its proper divisors (2469754).

2806622 is a wasteful number, since it uses less digits than its factorization.

2806622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2806622 is about 1675.2975855053. The cubic root of 2806622 is about 141.0569995726.

The spelling of 2806622 in words is "two million, eight hundred six thousand, six hundred twenty-two".