2530229 has 12 divisors (see below), whose sum is σ = 2912364. Its totient is φ = 2177664.

The previous prime is 2530223. The next prime is 2530237. The reversal of 2530229 is 9220352.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 1385329 = 1070^2 + 1177^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2530229 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 (2530223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23594 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (242697).

2^2530229 is an apocalyptic number.

It is an amenable number.

2530229 is a deficient number, since it is larger than the sum of its proper divisors (382135).

2530229 is a wasteful number, since it uses less digits than its factorization.

With its successor (2530230) it forms an eRAP, since the sums of their prime factors are consecutive (244 and 245).

2530229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2530229 is about 1590.6693559631. The cubic root of 2530229 is about 136.2657182439.

The spelling of 2530229 in words is "two million, five hundred thirty thousand, two hundred twenty-nine".