42588229 has 2 divisors, whose sum is σ = 42588230. Its totient is φ = 42588228.

The previous prime is 42588199. The next prime is 42588233. The reversal of 42588229 is 92288524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 2873025 = 6302^2 + 1695^2 .

It is a cyclic number.

It is not a de Polignac number, because 42588229 - 2⁵ = 42588197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42588191 and 42588200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42588289) 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, 21294114 + 21294115.

It is an arithmetic number, because the mean of its divisors is an integer number (21294115).

Almost surely, 2^42588229 is an apocalyptic number.

It is an amenable number.

42588229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42588229 is an equidigital number, since it uses as much as digits as its factorization.

42588229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 42588229 is about 6525.9657522853. The cubic root of 42588229 is about 349.2179245011.

The spelling of 42588229 in words is "forty-two million, five hundred eighty-eight thousand, two hundred twenty-nine".