320022255491 has 2 divisors, whose sum is σ = 320022255492. Its totient is φ = 320022255490.

The previous prime is 320022255479. The next prime is 320022255529. The reversal of 320022255491 is 194552220023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320022255491 - 2³⁴ = 302842386307 is a prime.

It is not a weakly prime, because it can be changed into another prime (320022255991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160011127745 + 160011127746.

It is an arithmetic number, because the mean of its divisors is an integer number (160011127746).

Almost surely, 2^320022255491 is an apocalyptic number.

320022255491 is a deficient number, since it is larger than the sum of its proper divisors (1).

320022255491 is an equidigital number, since it uses as much as digits as its factorization.

320022255491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 320022255491 in words is "three hundred twenty billion, twenty-two million, two hundred fifty-five thousand, four hundred ninety-one".