86222923 has 2 divisors, whose sum is σ = 86222924. Its totient is φ = 86222922.

The previous prime is 86222911. The next prime is 86222947. The reversal of 86222923 is 32922268.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86222923 is a prime.

It is not a weakly prime, because it can be changed into another prime (86222023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43111461 + 43111462.

It is an arithmetic number, because the mean of its divisors is an integer number (43111462).

Almost surely, 2^86222923 is an apocalyptic number.

86222923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86222923 is an equidigital number, since it uses as much as digits as its factorization.

86222923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 86222923 is about 9285.6299193970. The cubic root of 86222923 is about 441.7815560299.

The spelling of 86222923 in words is "eighty-six million, two hundred twenty-two thousand, nine hundred twenty-three".