8222490081491 has 8 divisors (see below), whose sum is σ = 9397769554944. Its totient is φ = 7047370116360.

The previous prime is 8222490081479. The next prime is 8222490081521. The reversal of 8222490081491 is 1941800942228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8222490081491 - 2⁶ = 8222490081427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8222490081401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39766595 + ... + 39972828.

It is an arithmetic number, because the mean of its divisors is an integer number (1174721194368).

Almost surely, 2^{8222490081491} is an apocalyptic number.

8222490081491 is a deficient number, since it is larger than the sum of its proper divisors (1175279473453).

8222490081491 is a wasteful number, since it uses less digits than its factorization.

8222490081491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79754161.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 8222490081491 in words is "eight trillion, two hundred twenty-two billion, four hundred ninety million, eighty-one thousand, four hundred ninety-one".