86222238 has 8 divisors (see below), whose sum is σ = 172444488. Its totient is φ = 28740744.

The previous prime is 86222237. The next prime is 86222263. The reversal of 86222238 is 83222268.

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

86222238 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86222199 and 86222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86222231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185181 + ... + 7185192.

It is an arithmetic number, because the mean of its divisors is an integer number (21555561).

Almost surely, 2^86222238 is an apocalyptic number.

86222238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86222238 is a wasteful number, since it uses less digits than its factorization.

86222238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370378.

The product of its digits is 18432, while the sum is 33.

The square root of 86222238 is about 9285.5930343732. The cubic root of 86222238 is about 441.7803861122.

The spelling of 86222238 in words is "eighty-six million, two hundred twenty-two thousand, two hundred thirty-eight".