85022226 has 48 divisors (see below), whose sum is σ = 199180800. Its totient is φ = 26119584.

The previous prime is 85022221. The next prime is 85022257. The reversal of 85022226 is 62222058.

It is a self number, because there is not a number n which added to its sum of digits gives 85022226.

It is not an unprimeable number, because it can be changed into a prime (85022221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9295 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600).

Almost surely, 2^85022226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85022226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99590400).

85022226 is an abundant number, since it is smaller than the sum of its proper divisors (114158574).

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

85022226 is a wasteful number, since it uses less digits than its factorization.

85022226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783 (or 6780 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 85022226 is about 9220.7497525960. The cubic root of 85022226 is about 439.7212869883.

The spelling of 85022226 in words is "eighty-five million, twenty-two thousand, two hundred twenty-six".