2253668 has 6 divisors (see below), whose sum is σ = 3943926. Its totient is φ = 1126832.

The previous prime is 2253659. The next prime is 2253683. The reversal of 2253668 is 8663522.

It can be written as a sum of positive squares in only one way, i.e., 1493284 + 760384 = 1222^2 + 872^2 .

It is a d-powerful number, because it can be written as 2¹² + 2¹⁴ + 5⁹ + 3³ + 6² + 6⁷ + 8² .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281705 + ... + 281712.

It is an arithmetic number, because the mean of its divisors is an integer number (657321).

2^2253668 is an apocalyptic number.

It is an amenable number.

2253668 is a deficient number, since it is larger than the sum of its proper divisors (1690258).

2253668 is a wasteful number, since it uses less digits than its factorization.

2253668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563421 (or 563419 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2253668 is about 1501.2221687678. Note that the first 3 decimals coincide. The cubic root of 2253668 is about 131.1082375656.

The spelling of 2253668 in words is "two million, two hundred fifty-three thousand, six hundred sixty-eight".