85709022 has 32 divisors (see below), whose sum is σ = 196230912. Its totient is φ = 24447744.

The previous prime is 85709011. The next prime is 85709027. The reversal of 85709022 is 22090758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85709027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31758 + ... + 34350.

It is an arithmetic number, because the mean of its divisors is an integer number (6132216).

Almost surely, 2^85709022 is an apocalyptic number.

85709022 is an abundant number, since it is smaller than the sum of its proper divisors (110521890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85709022 is a wasteful number, since it uses less digits than its factorization.

85709022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 85709022 is about 9257.9167202994. The cubic root of 85709022 is about 440.9021126726.

The spelling of 85709022 in words is "eighty-five million, seven hundred nine thousand, twenty-two".