85123226 has 4 divisors (see below), whose sum is σ = 127684842. Its totient is φ = 42561612.

The previous prime is 85123163. The next prime is 85123231. The reversal of 85123226 is 62232158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80982001 + 4141225 = 8999^2 + 2035^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21280805 + ... + 21280808.

Almost surely, 2^85123226 is an apocalyptic number.

85123226 is a deficient number, since it is larger than the sum of its proper divisors (42561616).

85123226 is a wasteful number, since it uses less digits than its factorization.

85123226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42561615.

The product of its digits is 5760, while the sum is 29.

The square root of 85123226 is about 9226.2249051278. The cubic root of 85123226 is about 439.8953366758.

The spelling of 85123226 in words is "eighty-five million, one hundred twenty-three thousand, two hundred twenty-six".