9890122002 has 16 divisors (see below), whose sum is σ = 19790606880. Its totient is φ = 3294980192.

The previous prime is 9890121973. The next prime is 9890122009. The reversal of 9890122002 is 2002210989.

It is a happy number.

9890122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9890122009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419352 + ... + 442307.

It is an arithmetic number, because the mean of its divisors is an integer number (1236912930).

Almost surely, 2^9890122002 is an apocalyptic number.

9890122002 is an abundant number, since it is smaller than the sum of its proper divisors (9900484878).

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

9890122002 is a wasteful number, since it uses less digits than its factorization.

9890122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863577.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9890122002 is about 99449.0925147133. The cubic root of 9890122002 is about 2146.5147789938.

The spelling of 9890122002 in words is "nine billion, eight hundred ninety million, one hundred twenty-two thousand, two".