85222080 has 168 divisors, whose sum is σ = 296704512. Its totient is φ = 22450176.

The previous prime is 85222043. The next prime is 85222091. The reversal of 85222080 is 8022258.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365644 + ... + 365876.

Almost surely, 2^85222080 is an apocalyptic number.

85222080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148352256).

85222080 is an abundant number, since it is smaller than the sum of its proper divisors (211482432).

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

85222080 is a wasteful number, since it uses less digits than its factorization.

85222080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 85222080 is about 9231.5805797274. The cubic root of 85222080 is about 440.0655549709.

The spelling of 85222080 in words is "eighty-five million, two hundred twenty-two thousand, eighty".