2238806 has 4 divisors (see below), whose sum is σ = 3358212. Its totient is φ = 1119402.

The previous prime is 2238799. The next prime is 2238809. The reversal of 2238806 is 6088322.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559700 + ... + 559703.

It is an arithmetic number, because the mean of its divisors is an integer number (839553).

2^2238806 is an apocalyptic number.

2238806 is a deficient number, since it is larger than the sum of its proper divisors (1119406).

2238806 is a wasteful number, since it uses less digits than its factorization.

2238806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119405.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2238806 is about 1496.2640141365. The cubic root of 2238806 is about 130.8194003401.

The spelling of 2238806 in words is "two million, two hundred thirty-eight thousand, eight hundred six".