85537422 has 24 divisors (see below), whose sum is σ = 185622840. Its totient is φ = 28467600.

The previous prime is 85537409. The next prime is 85537453. The reversal of 85537422 is 22473558.

85537422 is a `hidden beast` number, since 85 + 537 + 42 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9229 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (7734285).

Almost surely, 2^85537422 is an apocalyptic number.

85537422 is an abundant number, since it is smaller than the sum of its proper divisors (100085418).

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

85537422 is a wasteful number, since it uses less digits than its factorization.

85537422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488 (or 7485 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85537422 is about 9248.6443330901. The cubic root of 85537422 is about 440.6076693350.

The spelling of 85537422 in words is "eighty-five million, five hundred thirty-seven thousand, four hundred twenty-two".