9991022200222 has 32 divisors (see below), whose sum is σ = 17143571773440. Its totient is φ = 4277841378720.

The previous prime is 9991022200219. The next prime is 9991022200253. The reversal of 9991022200222 is 2220022201999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132880083 + ... + 132955249.

It is an arithmetic number, because the mean of its divisors is an integer number (535736617920).

Almost surely, 2^{9991022200222} is an apocalyptic number.

9991022200222 is a deficient number, since it is larger than the sum of its proper divisors (7152549573218).

9991022200222 is a wasteful number, since it uses less digits than its factorization.

9991022200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83976.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 9991022200222 in words is "nine trillion, nine hundred ninety-one billion, twenty-two million, two hundred thousand, two hundred twenty-two".