9944822972 has 24 divisors (see below), whose sum is σ = 20072125920. Its totient is φ = 4222964160.

The previous prime is 9944822891. The next prime is 9944822983. The reversal of 9944822972 is 2792284499.

It is a congruent number.

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, 1626179 + ... + 1632282.

It is an arithmetic number, because the mean of its divisors is an integer number (836338580).

Almost surely, 2^9944822972 is an apocalyptic number.

It is an amenable number.

9944822972 is an abundant number, since it is smaller than the sum of its proper divisors (10127302948).

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

9944822972 is a wasteful number, since it uses less digits than its factorization.

9944822972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258581 (or 3258579 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 9944822972 is about 99723.7332433960. The cubic root of 9944822972 is about 2150.4648695173.

The spelling of 9944822972 in words is "nine billion, nine hundred forty-four million, eight hundred twenty-two thousand, nine hundred seventy-two".