2250909 has 24 divisors (see below), whose sum is σ = 3450720. Its totient is φ = 1465776.

The previous prime is 2250901. The next prime is 2250917. The reversal of 2250909 is 9090522.

It is an interprime number because it is at equal distance from previous prime (2250901) and next prime (2250917).

It is not a de Polignac number, because 2250909 - 2³ = 2250901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2250909 is a modest number, since divided by 909 gives 225 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14259 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (143780).

2^2250909 is an apocalyptic number.

It is an amenable number.

2250909 is a deficient number, since it is larger than the sum of its proper divisors (1199811).

2250909 is an equidigital number, since it uses as much as digits as its factorization.

2250909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2250909 is about 1500.3029694032. The cubic root of 2250909 is about 131.0547136600.

The spelling of 2250909 in words is "two million, two hundred fifty thousand, nine hundred nine".