2275249 has 4 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 2269540.

The previous prime is 2275243. The next prime is 2275271. The reversal of 2275249 is 9425722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2275249 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 2275249.

It is not an unprimeable number, because it can be changed into a prime (2275243) 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, 2209 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (570240).

2^2275249 is an apocalyptic number.

It is an amenable number.

2275249 is a deficient number, since it is larger than the sum of its proper divisors (5711).

2275249 is an equidigital number, since it uses as much as digits as its factorization.

2275249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710.

The product of its digits is 10080, while the sum is 31.

The square root of 2275249 is about 1508.3928533376. The cubic root of 2275249 is about 131.5254038734.

It can be divided in two parts, 22752 and 49, that added together give a square (22801 = 151²).

The spelling of 2275249 in words is "two million, two hundred seventy-five thousand, two hundred forty-nine".