85222053312 has 56 divisors (see below), whose sum is σ = 245981841792. Its totient is φ = 25824864000.

The previous prime is 85222053289. The next prime is 85222053353. The reversal of 85222053312 is 21335022258.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20173564 + ... + 20177787.

Almost surely, 2^85222053312 is an apocalyptic number.

It is an amenable number.

85222053312 is an abundant number, since it is smaller than the sum of its proper divisors (160759788480).

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

85222053312 is a wasteful number, since it uses less digits than its factorization.

85222053312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40351377 (or 40351367 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 85222053312 in words is "eighty-five billion, two hundred twenty-two million, fifty-three thousand, three hundred twelve".