9491222553 has 16 divisors (see below), whose sum is σ = 13726190016. Its totient is φ = 5810024960.

The previous prime is 9491222549. The next prime is 9491222569. The reversal of 9491222553 is 3552221949.

It is a cyclic number.

It is not a de Polignac number, because 9491222553 - 2² = 9491222549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9491222453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267451 + ... + 2271632.

It is an arithmetic number, because the mean of its divisors is an integer number (857886876).

Almost surely, 2^9491222553 is an apocalyptic number.

It is an amenable number.

9491222553 is a deficient number, since it is larger than the sum of its proper divisors (4234967463).

9491222553 is a wasteful number, since it uses less digits than its factorization.

9491222553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539144.

The product of its digits is 194400, while the sum is 42.

The square root of 9491222553 is about 97422.9056895759. The cubic root of 9491222553 is about 2117.2593153989.

The spelling of 9491222553 in words is "nine billion, four hundred ninety-one million, two hundred twenty-two thousand, five hundred fifty-three".