84825229 has 2 divisors, whose sum is σ = 84825230. Its totient is φ = 84825228.

The previous prime is 84825227. The next prime is 84825233. The reversal of 84825229 is 92252848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 3861225 = 8998^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 84825229 - 2¹ = 84825227 is a prime.

Together with 84825227, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84825191 and 84825200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84825227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42412614 + 42412615.

It is an arithmetic number, because the mean of its divisors is an integer number (42412615).

Almost surely, 2^84825229 is an apocalyptic number.

It is an amenable number.

84825229 is a deficient number, since it is larger than the sum of its proper divisors (1).

84825229 is an equidigital number, since it uses as much as digits as its factorization.

84825229 is an evil number, because the sum of its binary digits is even.

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

The square root of 84825229 is about 9210.0612918699. The cubic root of 84825229 is about 439.3814120822.

The spelling of 84825229 in words is "eighty-four million, eight hundred twenty-five thousand, two hundred twenty-nine".