2622806 has 4 divisors (see below), whose sum is σ = 3934212. Its totient is φ = 1311402.

The previous prime is 2622799. The next prime is 2622821. The reversal of 2622806 is 6082262.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2622806² = 13758222627272, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 2²⁰ + 2²⁰ + 8² + 0 + 6⁴ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655700 + ... + 655703.

It is an arithmetic number, because the mean of its divisors is an integer number (983553).

2^2622806 is an apocalyptic number.

2622806 is a deficient number, since it is larger than the sum of its proper divisors (1311406).

2622806 is a wasteful number, since it uses less digits than its factorization.

2622806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311405.

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

The square root of 2622806 is about 1619.5079499651. The cubic root of 2622806 is about 137.9077658550.

The spelling of 2622806 in words is "two million, six hundred twenty-two thousand, eight hundred six".