85222282 has 4 divisors (see below), whose sum is σ = 127833426. Its totient is φ = 42611140.

The previous prime is 85222261. The next prime is 85222283. The reversal of 85222282 is 28222258.

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

It can be written as a sum of positive squares in only one way, i.e., 82791801 + 2430481 = 9099^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (85222283) 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 as a sum of consecutive naturals, namely, 21305569 + ... + 21305572.

Almost surely, 2^85222282 is an apocalyptic number.

85222282 is a deficient number, since it is larger than the sum of its proper divisors (42611144).

85222282 is a wasteful number, since it uses less digits than its factorization.

85222282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42611143.

The product of its digits is 10240, while the sum is 31.

The square root of 85222282 is about 9231.5915204259. The cubic root of 85222282 is about 440.0659026631.

The spelling of 85222282 in words is "eighty-five million, two hundred twenty-two thousand, two hundred eighty-two".