9990202244 has 24 divisors (see below), whose sum is σ = 19139621088. Its totient is φ = 4524949440.

The previous prime is 9990202231. The next prime is 9990202253. The reversal of 9990202244 is 4422020999.

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, 388697 + ... + 413600.

It is an arithmetic number, because the mean of its divisors is an integer number (797484212).

Almost surely, 2^9990202244 is an apocalyptic number.

It is an amenable number.

9990202244 is a deficient number, since it is larger than the sum of its proper divisors (9149418844).

9990202244 is a wasteful number, since it uses less digits than its factorization.

9990202244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802595 (or 802593 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 9990202244 is about 99950.9992146152. Note that the first 3 decimals coincide. The cubic root of 9990202244 is about 2153.7308392628.

The spelling of 9990202244 in words is "nine billion, nine hundred ninety million, two hundred two thousand, two hundred forty-four".