85222063 has 12 divisors (see below), whose sum is σ = 89127480. Its totient is φ = 81427680.

The previous prime is 85222043. The next prime is 85222091. The reversal of 85222063 is 36022258.

It is not a de Polignac number, because 85222063 - 2⁵ = 85222031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85222013) 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 in 11 ways as a sum of consecutive naturals, for example, 137368 + ... + 137986.

It is an arithmetic number, because the mean of its divisors is an integer number (7427290).

Almost surely, 2^85222063 is an apocalyptic number.

85222063 is a deficient number, since it is larger than the sum of its proper divisors (3905417).

85222063 is an equidigital number, since it uses as much as digits as its factorization.

85222063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 85222063 is about 9231.5796589749. The cubic root of 85222063 is about 440.0655257096.

It can be divided in two parts, 8522 and 2063, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 85222063 in words is "eighty-five million, two hundred twenty-two thousand, sixty-three".