86022631 has 2 divisors, whose sum is σ = 86022632. Its totient is φ = 86022630.

The previous prime is 86022623. The next prime is 86022637. The reversal of 86022631 is 13622068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86022631 - 2³ = 86022623 is a prime.

It is a super-2 number, since 2×86022631² = 14799786088324322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86022631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86022637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43011315 + 43011316.

It is an arithmetic number, because the mean of its divisors is an integer number (43011316).

Almost surely, 2^86022631 is an apocalyptic number.

86022631 is a deficient number, since it is larger than the sum of its proper divisors (1).

86022631 is an equidigital number, since it uses as much as digits as its factorization.

86022631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 86022631 is about 9274.8385969784. The cubic root of 86022631 is about 441.4392111997.

Adding to 86022631 its reverse (13622068), we get a palindrome (99644699).

The spelling of 86022631 in words is "eighty-six million, twenty-two thousand, six hundred thirty-one".