2265769 has 16 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 1892160.

The previous prime is 2265761. The next prime is 2265779. The reversal of 2265769 is 9675622.

It is a cyclic number.

It is not a de Polignac number, because 2265769 - 2³ = 2265761 is a prime.

It is a super-2 number, since 2×2265769² = 10267418322722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

Its product of digits (45360) is a multiple of the sum of its prime divisors (360).

2265769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2265761) 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, 7587 + ... + 7879.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2^2265769 is an apocalyptic number.

It is an amenable number.

2265769 is a deficient number, since it is larger than the sum of its proper divisors (415511).

2265769 is a wasteful number, since it uses less digits than its factorization.

2265769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 45360, while the sum is 37.

The square root of 2265769 is about 1505.2471557854. The cubic root of 2265769 is about 131.3424793434.

It can be divided in two parts, 226576 and 9, that multiplied together give a square (2039184 = 1428²).

The spelling of 2265769 in words is "two million, two hundred sixty-five thousand, seven hundred sixty-nine".