9912332198 has 16 divisors (see below), whose sum is σ = 14992845120. Its totient is φ = 4914772200.

The previous prime is 9912332197. The next prime is 9912332201. The reversal of 9912332198 is 8912332199.

It is a super-2 number, since 2×9912332198² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912332197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369293 + ... + 395223.

It is an arithmetic number, because the mean of its divisors is an integer number (937052820).

Almost surely, 2^9912332198 is an apocalyptic number.

9912332198 is a deficient number, since it is larger than the sum of its proper divisors (5080512922).

9912332198 is a wasteful number, since it uses less digits than its factorization.

9912332198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27523.

The product of its digits is 209952, while the sum is 47.

The square root of 9912332198 is about 99560.6960501984. The cubic root of 9912332198 is about 2148.1203834187.

Subtracting from 9912332198 its reverse (8912332199), we obtain a palindrome (999999999).

The spelling of 9912332198 in words is "nine billion, nine hundred twelve million, three hundred thirty-two thousand, one hundred ninety-eight".