85472226 has 128 divisors (see below), whose sum is σ = 235560960. Its totient is φ = 22415616.

The previous prime is 85472201. The next prime is 85472227. The reversal of 85472226 is 62227458.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85472227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301881 + ... + 302163.

It is an arithmetic number, because the mean of its divisors is an integer number (1840320).

Almost surely, 2^85472226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85472226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117780480).

85472226 is an abundant number, since it is smaller than the sum of its proper divisors (150088734).

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

85472226 is a wasteful number, since it uses less digits than its factorization.

85472226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 85472226 is about 9245.1190365511. The cubic root of 85472226 is about 440.4956982302.

The spelling of 85472226 in words is "eighty-five million, four hundred seventy-two thousand, two hundred twenty-six".