84106229 has 2 divisors, whose sum is σ = 84106230. Its totient is φ = 84106228.

The previous prime is 84106219. The next prime is 84106241. The reversal of 84106229 is 92260148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57304900 + 26801329 = 7570^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 84106229 - 2⁴ = 84106213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84106195 and 84106204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84106219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42053114 + 42053115.

It is an arithmetic number, because the mean of its divisors is an integer number (42053115).

Almost surely, 2^84106229 is an apocalyptic number.

It is an amenable number.

84106229 is a deficient number, since it is larger than the sum of its proper divisors (1).

84106229 is an equidigital number, since it uses as much as digits as its factorization.

84106229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 84106229 is about 9170.9448259162. The cubic root of 84106229 is about 438.1364520685.

The spelling of 84106229 in words is "eighty-four million, one hundred six thousand, two hundred twenty-nine".