2321322198 has 64 divisors (see below), whose sum is σ = 5124252672. Its totient is φ = 696579840.

The previous prime is 2321322193. The next prime is 2321322221. The reversal of 2321322198 is 8912231232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321322193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212490 + ... + 1214402.

It is an arithmetic number, because the mean of its divisors is an integer number (80066448).

Almost surely, 2^2321322198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321322198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2562126336).

2321322198 is an abundant number, since it is smaller than the sum of its proper divisors (2802930474).

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

2321322198 is a wasteful number, since it uses less digits than its factorization.

2321322198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its digits is 10368, while the sum is 33.

The square root of 2321322198 is about 48180.1016810882. The cubic root of 2321322198 is about 1324.0726294498.

The spelling of 2321322198 in words is "two billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred ninety-eight".