9984984122 has 24 divisors (see below), whose sum is σ = 15521102388. Its totient is φ = 4817429760.

The previous prime is 9984984103. The next prime is 9984984133. The reversal of 9984984122 is 2214894899.

It can be written as a sum of positive squares in 2 ways, for example, as 9724129321 + 260854801 = 98611^2 + 16151^2 .

It is a super-2 number, since 2×9984984122² (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 11 ways as a sum of consecutive naturals, for example, 671108 + ... + 685824.

Almost surely, 2^9984984122 is an apocalyptic number.

9984984122 is a deficient number, since it is larger than the sum of its proper divisors (5536118266).

9984984122 is a wasteful number, since it uses less digits than its factorization.

9984984122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15134 (or 15103 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The square root of 9984984122 is about 99924.8924042453. The cubic root of 9984984122 is about 2153.3557922161.

The spelling of 9984984122 in words is "nine billion, nine hundred eighty-four million, nine hundred eighty-four thousand, one hundred twenty-two".