2275287 has 8 divisors (see below), whose sum is σ = 3467136. Its totient is φ = 1300152.

The previous prime is 2275283. The next prime is 2275289. The reversal of 2275287 is 7825722.

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

It is not a de Polignac number, because 2275287 - 2² = 2275283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2275287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275283) 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, 54153 + ... + 54194.

It is an arithmetic number, because the mean of its divisors is an integer number (433392).

2^2275287 is an apocalyptic number.

2275287 is a deficient number, since it is larger than the sum of its proper divisors (1191849).

2275287 is a wasteful number, since it uses less digits than its factorization.

2275287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108357.

The product of its digits is 15680, while the sum is 33.

The square root of 2275287 is about 1508.4054494731. The cubic root of 2275287 is about 131.5261360918.

The spelling of 2275287 in words is "two million, two hundred seventy-five thousand, two hundred eighty-seven".