2229765 has 16 divisors (see below), whose sum is σ = 3651648. Its totient is φ = 1161216.

The previous prime is 2229713. The next prime is 2229767. The reversal of 2229765 is 5679222.

It is a happy number.

It is not a de Polignac number, because 2229765 - 2⁶ = 2229701 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 2²¹ + 9² + 7 + 6⁴ + 5³ .

It is a Curzon number.

2229765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229767) 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, 1084 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2^2229765 is an apocalyptic number.

It is an amenable number.

2229765 is a deficient number, since it is larger than the sum of its proper divisors (1421883).

2229765 is a wasteful number, since it uses less digits than its factorization.

2229765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508.

The product of its digits is 15120, while the sum is 33.

The square root of 2229765 is about 1493.2397664140. The cubic root of 2229765 is about 130.6430661886.

The spelling of 2229765 in words is "two million, two hundred twenty-nine thousand, seven hundred sixty-five".