9221440944 has 40 divisors (see below), whose sum is σ = 24089730480. Its totient is φ = 3039275008.

The previous prime is 9221440933. The next prime is 9221440961. The reversal of 9221440944 is 4490441229.

It is a super-2 number, since 2×9221440944² (a number of 21 digits) contains 22 as substring.

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, 1075017 + ... + 1083560.

It is an arithmetic number, because the mean of its divisors is an integer number (602243262).

Almost surely, 2^9221440944 is an apocalyptic number.

It is an amenable number.

9221440944 is an abundant number, since it is smaller than the sum of its proper divisors (14868289536).

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

9221440944 is a wasteful number, since it uses less digits than its factorization.

9221440944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158677 (or 2158671 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 9221440944 is about 96028.3340686487. The cubic root of 9221440944 is about 2097.0056298910.

The spelling of 9221440944 in words is "nine billion, two hundred twenty-one million, four hundred forty thousand, nine hundred forty-four".