2840229 has 12 divisors (see below), whose sum is σ = 4688736. Its totient is φ = 1622952.

The previous prime is 2840209. The next prime is 2840237. The reversal of 2840229 is 9220482.

It is a de Polignac number, because none of the positive numbers 2^k-2840229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22479 + ... + 22604.

It is an arithmetic number, because the mean of its divisors is an integer number (390728).

2^2840229 is an apocalyptic number.

It is an amenable number.

2840229 is a deficient number, since it is larger than the sum of its proper divisors (1848507).

2840229 is a wasteful number, since it uses less digits than its factorization.

2840229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096 (or 45093 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2840229 is about 1685.2978965156. The cubic root of 2840229 is about 141.6177812105.

The spelling of 2840229 in words is "two million, eight hundred forty thousand, two hundred twenty-nine".