85557422 has 8 divisors (see below), whose sum is σ = 128419896. Its totient is φ = 42750792.

The previous prime is 85557397. The next prime is 85557443. The reversal of 85557422 is 22475558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9893 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (16052487).

Almost surely, 2^85557422 is an apocalyptic number.

85557422 is a deficient number, since it is larger than the sum of its proper divisors (42862474).

85557422 is a wasteful number, since it uses less digits than its factorization.

85557422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27922.

The product of its digits is 112000, while the sum is 38.

The square root of 85557422 is about 9249.7255094408. The cubic root of 85557422 is about 440.6420070025.

The spelling of 85557422 in words is "eighty-five million, five hundred fifty-seven thousand, four hundred twenty-two".