2275830 has 32 divisors (see below), whose sum is σ = 6069600. Its totient is φ = 606816.

The previous prime is 2275813. The next prime is 2275831. The reversal of 2275830 is 385722.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2275794 and 2275803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (189675).

2^2275830 is an apocalyptic number.

2275830 is an abundant number, since it is smaller than the sum of its proper divisors (3793770).

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

2275830 is a wasteful number, since it uses less digits than its factorization.

2275830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445 (or 8439 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2275830 is about 1508.5854301298. The cubic root of 2275830 is about 131.5365982169.

The spelling of 2275830 in words is "two million, two hundred seventy-five thousand, eight hundred thirty".