64884229 has 2 divisors, whose sum is σ = 64884230. Its totient is φ = 64884228.

The previous prime is 64884191. The next prime is 64884251. The reversal of 64884229 is 92248846.

64884229 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., 38155329 + 26728900 = 6177^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 64884229 - 2¹⁵ = 64851461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64884289) 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 as a sum of consecutive naturals, namely, 32442114 + 32442115.

It is an arithmetic number, because the mean of its divisors is an integer number (32442115).

Almost surely, 2^64884229 is an apocalyptic number.

It is an amenable number.

64884229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64884229 is an equidigital number, since it uses as much as digits as its factorization.

64884229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The square root of 64884229 is about 8055.0747358420. The cubic root of 64884229 is about 401.8337245400.

The spelling of 64884229 in words is "sixty-four million, eight hundred eighty-four thousand, two hundred twenty-nine".