2280285 has 64 divisors (see below), whose sum is σ = 4915200. Its totient is φ = 979776.

The previous prime is 2280283. The next prime is 2280287. The reversal of 2280285 is 5820822.

It is an interprime number because it is at equal distance from previous prime (2280283) and next prime (2280287).

It is not a de Polignac number, because 2280285 - 2¹ = 2280283 is a prime.

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

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 17892 + ... + 18018.

It is an arithmetic number, because the mean of its divisors is an integer number (76800).

2^2280285 is an apocalyptic number.

It is an amenable number.

2280285 is an abundant number, since it is smaller than the sum of its proper divisors (2634915).

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

2280285 is a wasteful number, since it uses less digits than its factorization.

2280285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2280285 is about 1510.0612570356. The cubic root of 2280285 is about 131.6223711133.

The spelling of 2280285 in words is "two million, two hundred eighty thousand, two hundred eighty-five".