2275618 has 4 divisors (see below), whose sum is σ = 3413430. Its totient is φ = 1137808.

The previous prime is 2275613. The next prime is 2275619. The reversal of 2275618 is 8165722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 471969 = 1343^2 + 687^2 .

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 self number, because there is not a number n which added to its sum of digits gives 2275618.

It is not an unprimeable number, because it can be changed into a prime (2275613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568903 + ... + 568906.

2^2275618 is an apocalyptic number.

2275618 is a deficient number, since it is larger than the sum of its proper divisors (1137812).

2275618 is a wasteful number, since it uses less digits than its factorization.

2275618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137811.

The product of its digits is 6720, while the sum is 31.

The square root of 2275618 is about 1508.5151639941. The cubic root of 2275618 is about 131.5325137547.

The spelling of 2275618 in words is "two million, two hundred seventy-five thousand, six hundred eighteen".