9999992244 has 72 divisors (see below), whose sum is σ = 25671081184. Its totient is φ = 3027499200.

The previous prime is 9999992227. The next prime is 9999992273. The reversal of 9999992244 is 4422999999.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2002719 + ... + 2007705.

Almost surely, 2^9999992244 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 9999992244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12835540592).

9999992244 is an abundant number, since it is smaller than the sum of its proper divisors (15671088940).

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

9999992244 is a wasteful number, since it uses less digits than its factorization.

9999992244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397 (or 6384 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 66.

The square root of 9999992244 is about 99999.9612199925. The cubic root of 9999992244 is about 2154.4341330386.

The spelling of 9999992244 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-two thousand, two hundred forty-four".