2280312 has 112 divisors (see below), whose sum is σ = 7082640. Its totient is φ = 684288.

The previous prime is 2280293. The next prime is 2280319. The reversal of 2280312 is 2130822.

It is a happy number.

2280312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 99133 + ... + 99155.

2^2280312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2280312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541320).

2280312 is an abundant number, since it is smaller than the sum of its proper divisors (4802328).

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

2280312 is a wasteful number, since it uses less digits than its factorization.

2280312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2280312 is about 1510.0701970438. The cubic root of 2280312 is about 131.6228906083.

The spelling of 2280312 in words is "two million, two hundred eighty thousand, three hundred twelve".