85222610 has 32 divisors (see below), whose sum is σ = 168132672. Its totient is φ = 30844480.

The previous prime is 85222607. The next prime is 85222637. The reversal of 85222610 is 1622258.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85222610.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 23264 + ... + 26676.

It is an arithmetic number, because the mean of its divisors is an integer number (5254146).

Almost surely, 2^85222610 is an apocalyptic number.

85222610 is a deficient number, since it is larger than the sum of its proper divisors (82910062).

85222610 is a wasteful number, since it uses less digits than its factorization.

85222610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 85222610 is about 9231.6092854930. The cubic root of 85222610 is about 440.0664672316.

Adding to 85222610 its reverse (1622258), we get a palindrome (86844868).

The spelling of 85222610 in words is "eighty-five million, two hundred twenty-two thousand, six hundred ten".