7222911070491 has 20 divisors (see below), whose sum is σ = 10937585959432. Its totient is φ = 4749311384928.

The previous prime is 7222911070423. The next prime is 7222911070547. The reversal of 7222911070491 is 1940701192227.

It is a happy number.

7222911070491 is a `hidden beast` number, since 7 + 2 + 2 + 2 + 91 + 1 + 0 + 70 + 491 = 666.

It is not a de Polignac number, because 7222911070491 - 2²¹ = 7222908973339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7222911070591) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 610759441 + ... + 610771266.

Almost surely, 2^{7222911070491} is an apocalyptic number.

7222911070491 is a deficient number, since it is larger than the sum of its proper divisors (3714674888941).

7222911070491 is a wasteful number, since it uses less digits than its factorization.

7222911070491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221530792 (or 1221530783 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 7222911070491 in words is "seven trillion, two hundred twenty-two billion, nine hundred eleven million, seventy thousand, four hundred ninety-one".