2197398336 has 252 divisors, whose sum is σ = 7148888928. Its totient is φ = 593865216.

The previous prime is 2197398289. The next prime is 2197398337. The reversal of 2197398336 is 6338937912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197398337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3395965 + ... + 3396611.

Almost surely, 2^2197398336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2197398336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3574444464).

2197398336 is an abundant number, since it is smaller than the sum of its proper divisors (4951490592).

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

2197398336 is a wasteful number, since it uses less digits than its factorization.

2197398336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 678 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The square root of 2197398336 is about 46876.4155626259. The cubic root of 2197398336 is about 1300.0785625105.

The spelling of 2197398336 in words is "two billion, one hundred ninety-seven million, three hundred ninety-eight thousand, three hundred thirty-six".