2785229 has 8 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 2483136.

The previous prime is 2785219. The next prime is 2785241. The reversal of 2785229 is 9225872.

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 2785229 - 2⁸ = 2784973 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 7⁷ + 8⁴ + 5⁹ + 2⁸ + 2¹² + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785219) 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, 3989 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

2^2785229 is an apocalyptic number.

It is an amenable number.

2785229 is a deficient number, since it is larger than the sum of its proper divisors (319411).

2785229 is a wasteful number, since it uses less digits than its factorization.

2785229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659.

The product of its digits is 20160, while the sum is 35.

The square root of 2785229 is about 1668.9005362813. The cubic root of 2785229 is about 140.6976907480.

It can be divided in two parts, 27852 and 29, that multiplied together give a palindrome (807708).

The spelling of 2785229 in words is "two million, seven hundred eighty-five thousand, two hundred twenty-nine".