2287280 has 20 divisors (see below), whose sum is σ = 5318112. Its totient is φ = 914880.

The previous prime is 2287279. The next prime is 2287283. The reversal of 2287280 is 827822.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2287283) 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, 14216 + ... + 14375.

2^2287280 is an apocalyptic number.

2287280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2287280 is an abundant number, since it is smaller than the sum of its proper divisors (3030832).

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

2287280 is a wasteful number, since it uses less digits than its factorization.

2287280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28604 (or 28598 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2287280 is about 1512.3756147201. The cubic root of 2287280 is about 131.7568219448.

The spelling of 2287280 in words is "two million, two hundred eighty-seven thousand, two hundred eighty".