86859222 has 32 divisors (see below), whose sum is σ = 193622400. Its totient is φ = 25815168.

The previous prime is 86859221. The next prime is 86859229. The reversal of 86859222 is 22295868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86859221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20472 + ... + 24347.

It is an arithmetic number, because the mean of its divisors is an integer number (6050700).

Almost surely, 2^86859222 is an apocalyptic number.

86859222 is an abundant number, since it is smaller than the sum of its proper divisors (106763178).

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

86859222 is a wasteful number, since it uses less digits than its factorization.

86859222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44860.

The product of its digits is 138240, while the sum is 42.

The square root of 86859222 is about 9319.8295048783. The cubic root of 86859222 is about 442.8656315998.

The spelling of 86859222 in words is "eighty-six million, eight hundred fifty-nine thousand, two hundred twenty-two".