2282561 has 8 divisors (see below), whose sum is σ = 2438400. Its totient is φ = 2131920.

The previous prime is 2282549. The next prime is 2282587. The reversal of 2282561 is 1652822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2282561 - 2¹⁴ = 2266177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2282561.

It is not an unprimeable number, because it can be changed into a prime (2282521) 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, 371 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (304800).

2^2282561 is an apocalyptic number.

It is an amenable number.

2282561 is a deficient number, since it is larger than the sum of its proper divisors (155839).

2282561 is a wasteful number, since it uses less digits than its factorization.

2282561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 1920, while the sum is 26.

The square root of 2282561 is about 1510.8146808924. The cubic root of 2282561 is about 131.6661482292. Note that the first 3 decimals are identical.

The spelling of 2282561 in words is "two million, two hundred eighty-two thousand, five hundred sixty-one".