2238666 has 16 divisors (see below), whose sum is σ = 4581984. Its totient is φ = 728784.

The previous prime is 2238661. The next prime is 2238673. The reversal of 2238666 is 6668322.

It is not an unprimeable number, because it can be changed into a prime (2238661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (286374).

2^2238666 is an apocalyptic number.

2238666 is an abundant number, since it is smaller than the sum of its proper divisors (2343318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2238666 is a wasteful number, since it uses less digits than its factorization.

2238666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725.

The product of its digits is 20736, while the sum is 33.

The square root of 2238666 is about 1496.2172302176. The cubic root of 2238666 is about 130.8166734256.

The spelling of 2238666 in words is "two million, two hundred thirty-eight thousand, six hundred sixty-six".