84252229 has 4 divisors (see below), whose sum is σ = 84343084. Its totient is φ = 84161376.

The previous prime is 84252227. The next prime is 84252239. The reversal of 84252229 is 92225248.

84252229 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35224225 + 49028004 = 5935^2 + 7002^2 .

It is a cyclic number.

It is not a de Polignac number, because 84252229 - 2¹ = 84252227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84252194 and 84252203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84252227) 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 in 3 ways as a sum of consecutive naturals, for example, 44022 + ... + 45895.

It is an arithmetic number, because the mean of its divisors is an integer number (21085771).

Almost surely, 2^84252229 is an apocalyptic number.

It is an amenable number.

84252229 is a deficient number, since it is larger than the sum of its proper divisors (90855).

84252229 is an equidigital number, since it uses as much as digits as its factorization.

84252229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90854.

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

The square root of 84252229 is about 9178.9012959068. The cubic root of 84252229 is about 438.3898258651.

The spelling of 84252229 in words is "eighty-four million, two hundred fifty-two thousand, two hundred twenty-nine".