84450229 has 2 divisors, whose sum is σ = 84450230. Its totient is φ = 84450228.

The previous prime is 84450187. The next prime is 84450251. The reversal of 84450229 is 92205448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 6604900 = 8823^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 84450229 - 2¹³ = 84442037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84450194 and 84450203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84450029) 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, 42225114 + 42225115.

It is an arithmetic number, because the mean of its divisors is an integer number (42225115).

Almost surely, 2^84450229 is an apocalyptic number.

It is an amenable number.

84450229 is a deficient number, since it is larger than the sum of its proper divisors (1).

84450229 is an equidigital number, since it uses as much as digits as its factorization.

84450229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 84450229 is about 9189.6805711624. The cubic root of 84450229 is about 438.7329751540.

The spelling of 84450229 in words is "eighty-four million, four hundred fifty thousand, two hundred twenty-nine".