2222806 has 8 divisors (see below), whose sum is σ = 3355920. Its totient is φ = 1104168.

The previous prime is 2222783. The next prime is 2222809. The reversal of 2222806 is 6082222.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226 + ... + 3853.

It is an arithmetic number, because the mean of its divisors is an integer number (419490).

2^2222806 is an apocalyptic number.

2222806 is a deficient number, since it is larger than the sum of its proper divisors (1133114).

2222806 is a wasteful number, since it uses less digits than its factorization.

2222806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2222806 is about 1490.9077771613. The cubic root of 2222806 is about 130.5070141021.

The spelling of 2222806 in words is "two million, two hundred twenty-two thousand, eight hundred six".