85358522 has 4 divisors (see below), whose sum is σ = 128037786. Its totient is φ = 42679260.

The previous prime is 85358521. The next prime is 85358551. The reversal of 85358522 is 22585358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22585358 = 2 ⋅11292679.

It can be written as a sum of positive squares in only one way, i.e., 80478841 + 4879681 = 8971^2 + 2209^2 .

It is not an unprimeable number, because it can be changed into a prime (85358521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21339629 + ... + 21339632.

Almost surely, 2^85358522 is an apocalyptic number.

85358522 is a deficient number, since it is larger than the sum of its proper divisors (42679264).

85358522 is a wasteful number, since it uses less digits than its factorization.

85358522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42679263.

The product of its digits is 96000, while the sum is 38.

The square root of 85358522 is about 9238.9675830149. The cubic root of 85358522 is about 440.3002805624.

The spelling of 85358522 in words is "eighty-five million, three hundred fifty-eight thousand, five hundred twenty-two".