85522844 has 24 divisors (see below), whose sum is σ = 163527168. Its totient is φ = 38813040.

The previous prime is 85522841. The next prime is 85522847. The reversal of 85522844 is 44822558.

It is an interprime number because it is at equal distance from previous prime (85522841) and next prime (85522847).

It is a junction number, because it is equal to n+sod(n) for n = 85522798 and 85522807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85522841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38837 + ... + 40979.

It is an arithmetic number, because the mean of its divisors is an integer number (6813632).

Almost surely, 2^85522844 is an apocalyptic number.

It is an amenable number.

85522844 is a deficient number, since it is larger than the sum of its proper divisors (78004324).

85522844 is a wasteful number, since it uses less digits than its factorization.

85522844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3063 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 85522844 is about 9247.8561840029. The cubic root of 85522844 is about 440.5826372364.

The spelling of 85522844 in words is "eighty-five million, five hundred twenty-two thousand, eight hundred forty-four".