2646229 has 4 divisors (see below), whose sum is σ = 2649484. Its totient is φ = 2642976.

The previous prime is 2646227. The next prime is 2646233. The reversal of 2646229 is 9226462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 1965604 = 825^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646229 - 2¹ = 2646227 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4⁷ + 6⁵ + 2¹⁹ + 2²¹ + 9² .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2646229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (662371).

2^2646229 is an apocalyptic number.

It is an amenable number.

2646229 is a deficient number, since it is larger than the sum of its proper divisors (3255).

2646229 is a wasteful number, since it uses less digits than its factorization.

2646229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254.

The product of its digits is 10368, while the sum is 31.

The square root of 2646229 is about 1626.7233938196. The cubic root of 2646229 is about 138.3170787824.

The spelling of 2646229 in words is "two million, six hundred forty-six thousand, two hundred twenty-nine".