2265280 has 28 divisors (see below), whose sum is σ = 5394960. Its totient is φ = 905984.

The previous prime is 2265271. The next prime is 2265287. The reversal of 2265280 is 825622.

It is not an unprimeable number, because it can be changed into a prime (2265287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220 + ... + 3859.

2^2265280 is an apocalyptic number.

2265280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265280 is an abundant number, since it is smaller than the sum of its proper divisors (3129680).

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

2265280 is an equidigital number, since it uses as much as digits as its factorization.

2265280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2265280 is about 1505.0847152237. The cubic root of 2265280 is about 131.3330298521. Note that the first 3 decimals are identical.

The spelling of 2265280 in words is "two million, two hundred sixty-five thousand, two hundred eighty".