2253666 has 32 divisors (see below), whose sum is σ = 4847040. Its totient is φ = 696384.

The previous prime is 2253659. The next prime is 2253683. The reversal of 2253666 is 6663522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (151470).

2^2253666 is an apocalyptic number.

2253666 is an abundant number, since it is smaller than the sum of its proper divisors (2593374).

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

2253666 is a wasteful number, since it uses less digits than its factorization.

2253666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its digits is 12960, while the sum is 30.

The square root of 2253666 is about 1501.2215026438. The cubic root of 2253666 is about 131.1081987820.

The spelling of 2253666 in words is "two million, two hundred fifty-three thousand, six hundred sixty-six".