85222258 has 64 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 33834240.

The previous prime is 85222187. The next prime is 85222261.

85222258 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476013 + ... + 476191.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 2^85222258 is an apocalyptic number.

85222258 is a deficient number, since it is larger than the sum of its proper divisors (73408142).

85222258 is a wasteful number, since it uses less digits than its factorization.

85222258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its digits is 25600, while the sum is 34.

The square root of 85222258 is about 9231.5902205416. The cubic root of 85222258 is about 440.0658613532.

The spelling of 85222258 in words is "eighty-five million, two hundred twenty-two thousand, two hundred fifty-eight".