85797422 has 4 divisors (see below), whose sum is σ = 128696136. Its totient is φ = 42898710.

The previous prime is 85797421. The next prime is 85797433. The reversal of 85797422 is 22479758.

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

It is a super-2 number, since 2×85797422² = 14722395243692168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85797421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21449354 + ... + 21449357.

It is an arithmetic number, because the mean of its divisors is an integer number (32174034).

Almost surely, 2^85797422 is an apocalyptic number.

85797422 is a deficient number, since it is larger than the sum of its proper divisors (42898714).

85797422 is a wasteful number, since it uses less digits than its factorization.

85797422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42898713.

The product of its digits is 282240, while the sum is 44.

The square root of 85797422 is about 9262.6897821313. The cubic root of 85797422 is about 441.0536422460.

The spelling of 85797422 in words is "eighty-five million, seven hundred ninety-seven thousand, four hundred twenty-two".