86199222 has 32 divisors (see below), whose sum is σ = 178988544. Its totient is φ = 27655200.

The previous prime is 86199187. The next prime is 86199227. The reversal of 86199222 is 22299168.

86199222 = T₂₆₃ + T₂₆₄ + ... + T₈₁₁.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86199227) 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, 14697 + ... + 19707.

It is an arithmetic number, because the mean of its divisors is an integer number (5593392).

Almost surely, 2^86199222 is an apocalyptic number.

86199222 is an abundant number, since it is smaller than the sum of its proper divisors (92789322).

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

86199222 is a wasteful number, since it uses less digits than its factorization.

86199222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its digits is 31104, while the sum is 39.

The square root of 86199222 is about 9284.3536123954. The cubic root of 86199222 is about 441.7410732757.

The spelling of 86199222 in words is "eighty-six million, one hundred ninety-nine thousand, two hundred twenty-two".