85102222 has 4 divisors (see below), whose sum is σ = 127653336. Its totient is φ = 42551110.

The previous prime is 85102207. The next prime is 85102229. The reversal of 85102222 is 22220158.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 85102193 and 85102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85102229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275554 + ... + 21275557.

It is an arithmetic number, because the mean of its divisors is an integer number (31913334).

Almost surely, 2^85102222 is an apocalyptic number.

85102222 is a deficient number, since it is larger than the sum of its proper divisors (42551114).

85102222 is a wasteful number, since it uses less digits than its factorization.

85102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42551113.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 85102222 is about 9225.0865578595. The cubic root of 85102222 is about 439.8591525769.

The spelling of 85102222 in words is "eighty-five million, one hundred two thousand, two hundred twenty-two".