2705229 has 6 divisors (see below), whose sum is σ = 3907566. Its totient is φ = 1803480.

The previous prime is 2705203. The next prime is 2705243. The reversal of 2705229 is 9225072.

It is a happy number.

2705229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1695204 + 1010025 = 1302^2 + 1005^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2705229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150282 + ... + 150299.

It is an arithmetic number, because the mean of its divisors is an integer number (651261).

2^2705229 is an apocalyptic number.

It is an amenable number.

2705229 is a deficient number, since it is larger than the sum of its proper divisors (1202337).

2705229 is a wasteful number, since it uses less digits than its factorization.

2705229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300587 (or 300584 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2705229 is about 1644.7580369161. The cubic root of 2705229 is about 139.3374991441.

The spelling of 2705229 in words is "two million, seven hundred five thousand, two hundred twenty-nine".