86091022 has 4 divisors (see below), whose sum is σ = 129136536. Its totient is φ = 43045510.

The previous prime is 86091013. The next prime is 86091041. The reversal of 86091022 is 22019068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21522754 + ... + 21522757.

It is an arithmetic number, because the mean of its divisors is an integer number (32284134).

Almost surely, 2^86091022 is an apocalyptic number.

86091022 is a deficient number, since it is larger than the sum of its proper divisors (43045514).

86091022 is a wasteful number, since it uses less digits than its factorization.

86091022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43045513.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 86091022 is about 9278.5247749844. The cubic root of 86091022 is about 441.5561667475.

The spelling of 86091022 in words is "eighty-six million, ninety-one thousand, twenty-two".