2265906 has 32 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 720000.

The previous prime is 2265899. The next prime is 2265911. The reversal of 2265906 is 6095622.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 6² + 5⁹ + 9 + 0 + 6⁷ .

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, 14931 + ... + 15081.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2265906 is an apocalyptic number.

2265906 is an abundant number, since it is smaller than the sum of its proper divisors (2483790).

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

2265906 is a wasteful number, since it uses less digits than its factorization.

2265906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2265906 is about 1505.2926625743. The cubic root of 2265906 is about 131.3451265030.

The spelling of 2265906 in words is "two million, two hundred sixty-five thousand, nine hundred six".