86422331 has 4 divisors (see below), whose sum is σ = 88261152. Its totient is φ = 84583512.

The previous prime is 86422319. The next prime is 86422337. The reversal of 86422331 is 13322468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86422331 is a prime.

It is a super-2 number, since 2×86422331² = 14937638590947122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86422294 and 86422303.

It is not an unprimeable number, because it can be changed into a prime (86422337) 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, 919340 + ... + 919433.

It is an arithmetic number, because the mean of its divisors is an integer number (22065288).

Almost surely, 2^86422331 is an apocalyptic number.

86422331 is a deficient number, since it is larger than the sum of its proper divisors (1838821).

86422331 is a wasteful number, since it uses less digits than its factorization.

86422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838820.

The product of its digits is 6912, while the sum is 29.

The square root of 86422331 is about 9296.3611698341. The cubic root of 86422331 is about 442.1218636427.

Adding to 86422331 its reverse (13322468), we get a palindrome (99744799).

The spelling of 86422331 in words is "eighty-six million, four hundred twenty-two thousand, three hundred thirty-one".