9800211222 has 160 divisors (see below), whose sum is σ = 23589830880. Its totient is φ = 3035128320.

The previous prime is 9800211217. The next prime is 9800211233. The reversal of 9800211222 is 2221120089.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15986988 + ... + 15987600.

It is an arithmetic number, because the mean of its divisors is an integer number (147436443).

Almost surely, 2^9800211222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9800211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11794915440).

9800211222 is an abundant number, since it is smaller than the sum of its proper divisors (13789619658).

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

9800211222 is a wasteful number, since it uses less digits than its factorization.

9800211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 9800211222 is about 98996.0161925721. The cubic root of 9800211222 is about 2139.9903355024.

The spelling of 9800211222 in words is "nine billion, eight hundred million, two hundred eleven thousand, two hundred twenty-two".