9220748544 has 216 divisors, whose sum is σ = 30772501760. Its totient is φ = 2600792064.

The previous prime is 9220748519. The next prime is 9220748549. The reversal of 9220748544 is 4458470229.

It is a self number, because there is not a number n which added to its sum of digits gives 9220748544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220748549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270494 + ... + 1277730.

Almost surely, 2^9220748544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9220748544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15386250880).

9220748544 is an abundant number, since it is smaller than the sum of its proper divisors (21551753216).

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

9220748544 is a wasteful number, since it uses less digits than its factorization.

9220748544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7328 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 9220748544 is about 96024.7288150297. The cubic root of 9220748544 is about 2096.9531434069.

The spelling of 9220748544 in words is "nine billion, two hundred twenty million, seven hundred forty-eight thousand, five hundred forty-four".