2265770 has 32 divisors (see below), whose sum is σ = 4551120. Its totient is φ = 806400.

The previous prime is 2265761. The next prime is 2265779. The reversal of 2265770 is 775622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2265761) and next prime (2265779).

It can be written as a sum of positive squares in 8 ways, for example, as 982081 + 1283689 = 991^2 + 1133^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (2265779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3470 + ... + 4070.

2^2265770 is an apocalyptic number.

2265770 is an abundant number, since it is smaller than the sum of its proper divisors (2285350).

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

2265770 is a wasteful number, since it uses less digits than its factorization.

2265770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 2265770 is about 1505.2474879567. The cubic root of 2265770 is about 131.3424986661.

The spelling of 2265770 in words is "two million, two hundred sixty-five thousand, seven hundred seventy".