2299866 has 16 divisors (see below), whose sum is σ = 4614624. Its totient is φ = 764144.

The previous prime is 2299841. The next prime is 2299867. The reversal of 2299866 is 6689922.

It is not an unprimeable number, because it can be changed into a prime (2299867) 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, 3196 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (288414).

2^2299866 is an apocalyptic number.

2299866 is an abundant number, since it is smaller than the sum of its proper divisors (2314758).

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

2299866 is a wasteful number, since it uses less digits than its factorization.

2299866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its digits is 93312, while the sum is 42.

The square root of 2299866 is about 1516.5309096751. The cubic root of 2299866 is about 131.9980486397.

The spelling of 2299866 in words is "two million, two hundred ninety-nine thousand, eight hundred sixty-six".