2656229 has 2 divisors, whose sum is σ = 2656230. Its totient is φ = 2656228.

The previous prime is 2656211. The next prime is 2656243. The reversal of 2656229 is 9226562.

It is a happy number.

2656229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1435204 + 1221025 = 1198^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656229 - 2⁸ = 2655973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₁₉₃₆₈₅ and since 2656229 and 193685 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656195 and 2656204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656289) 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 as a sum of consecutive naturals, namely, 1328114 + 1328115.

It is an arithmetic number, because the mean of its divisors is an integer number (1328115).

2^2656229 is an apocalyptic number.

It is an amenable number.

2656229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656229 is an equidigital number, since it uses as much as digits as its factorization.

2656229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 2656229 is about 1629.7941587820. The cubic root of 2656229 is about 138.4910914522.

The spelling of 2656229 in words is "two million, six hundred fifty-six thousand, two hundred twenty-nine".