9221773285536 has 48 divisors (see below), whose sum is σ = 27665319858624. Its totient is φ = 2634792367104.

The previous prime is 9221773285523. The next prime is 9221773285553. The reversal of 9221773285536 is 6355823771229.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×9221773285536² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9221773285536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6861437785 + ... + 6861439128.

It is an arithmetic number, because the mean of its divisors is an integer number (576360830388).

Almost surely, 2^{9221773285536} is an apocalyptic number.

9221773285536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9221773285536 is an abundant number, since it is smaller than the sum of its proper divisors (18443546573088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9221773285536 is a wasteful number, since it uses less digits than its factorization.

9221773285536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722876933 (or 13722876925 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 9221773285536 in words is "nine trillion, two hundred twenty-one billion, seven hundred seventy-three million, two hundred eighty-five thousand, five hundred thirty-six".