9221213328 has 40 divisors (see below), whose sum is σ = 23839063488. Its totient is φ = 3071467392.

The previous prime is 9221213327. The next prime is 9221213347. The reversal of 9221213328 is 8233121229.

It is not an unprimeable number, because it can be changed into a prime (9221213327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4651 + ... + 135882.

Almost surely, 2^9221213328 is an apocalyptic number.

It is an amenable number.

9221213328 is an abundant number, since it is smaller than the sum of its proper divisors (14617850160).

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

9221213328 is a wasteful number, since it uses less digits than its factorization.

9221213328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141911 (or 141905 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 9221213328 is about 96027.1489111283. The cubic root of 9221213328 is about 2096.9883760452.

The spelling of 9221213328 in words is "nine billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-eight".