85871422 has 32 divisors (see below), whose sum is σ = 161784000. Its totient is φ = 33967584.

The previous prime is 85871419. The next prime is 85871441. The reversal of 85871422 is 22417858.

It is a super-2 number, since 2×85871422² = 14747802232604168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4104 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (5055750).

Almost surely, 2^85871422 is an apocalyptic number.

85871422 is a deficient number, since it is larger than the sum of its proper divisors (75912578).

85871422 is a wasteful number, since it uses less digits than its factorization.

85871422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665 (or 9651 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 85871422 is about 9266.6834412318. The cubic root of 85871422 is about 441.1804082563.

The spelling of 85871422 in words is "eighty-five million, eight hundred seventy-one thousand, four hundred twenty-two".