1022806 has 8 divisors (see below), whose sum is σ = 1543320. Its totient is φ = 508368.

The previous prime is 1022797. The next prime is 1022821. The reversal of 1022806 is 6082201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1022806² = 2092264227272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1071 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (192915).

2^1022806 is an apocalyptic number.

1022806 is a deficient number, since it is larger than the sum of its proper divisors (520514).

1022806 is a wasteful number, since it uses less digits than its factorization.

1022806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1022806 is about 1011.3387167512. The cubic root of 1022806 is about 100.7544930851.

The spelling of 1022806 in words is "one million, twenty-two thousand, eight hundred six".