2665229 has 8 divisors (see below), whose sum is σ = 3111168. Its totient is φ = 2235600.

The previous prime is 2665199. The next prime is 2665231. The reversal of 2665229 is 9225662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2665229 - 2¹⁶ = 2599693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2665195 and 2665204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (388896).

2^2665229 is an apocalyptic number.

It is an amenable number.

2665229 is a deficient number, since it is larger than the sum of its proper divisors (445939).

2665229 is an equidigital number, since it uses as much as digits as its factorization.

2665229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155.

The product of its digits is 12960, while the sum is 32.

The square root of 2665229 is about 1632.5529087904. The cubic root of 2665229 is about 138.6473298306.

The spelling of 2665229 in words is "two million, six hundred sixty-five thousand, two hundred twenty-nine".