85382218 has 8 divisors (see below), whose sum is σ = 128124612. Its totient is φ = 42674016.

The previous prime is 85382179. The next prime is 85382281. The reversal of 85382218 is 81228358.

It can be written as a sum of positive squares in 2 ways, for example, as 84327489 + 1054729 = 9183^2 + 1027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955 + ... + 13102.

Almost surely, 2^85382218 is an apocalyptic number.

85382218 is a deficient number, since it is larger than the sum of its proper divisors (42742394).

85382218 is a wasteful number, since it uses less digits than its factorization.

85382218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096.

The product of its digits is 30720, while the sum is 37.

The square root of 85382218 is about 9240.2498883959. The cubic root of 85382218 is about 440.3410200609.

The spelling of 85382218 in words is "eighty-five million, three hundred eighty-two thousand, two hundred eighteen".