85222593 has 24 divisors (see below), whose sum is σ = 126588800. Its totient is φ = 55227744.

The previous prime is 85222549. The next prime is 85222601. The reversal of 85222593 is 39522258.

It is not a de Polignac number, because 85222593 - 2¹⁰ = 85221569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85222393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46743 + ... + 48531.

Almost surely, 2^85222593 is an apocalyptic number.

It is an amenable number.

85222593 is a deficient number, since it is larger than the sum of its proper divisors (41366207).

85222593 is a wasteful number, since it uses less digits than its factorization.

85222593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1938 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 85222593 is about 9231.6083647434. The cubic root of 85222593 is about 440.0664379704.

The spelling of 85222593 in words is "eighty-five million, two hundred twenty-two thousand, five hundred ninety-three".