2280280 has 32 divisors (see below), whose sum is σ = 5187600. Its totient is φ = 902016.

The previous prime is 2280253. The next prime is 2280283. The reversal of 2280280 is 820822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280283) 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, 4099 + ... + 4621.

2^2280280 is an apocalyptic number.

2280280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280280 is an abundant number, since it is smaller than the sum of its proper divisors (2907320).

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

2280280 is a wasteful number, since it uses less digits than its factorization.

2280280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 2280280 is about 1510.0596014727. The cubic root of 2280280 is about 131.6222749101.

The spelling of 2280280 in words is "two million, two hundred eighty thousand, two hundred eighty".