2192543320 has 64 divisors (see below), whose sum is σ = 5455499040. Its totient is φ = 786355200.

The previous prime is 2192543267. The next prime is 2192543321. The reversal of 2192543320 is 233452912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192543321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2011 + ... + 66250.

Almost surely, 2^2192543320 is an apocalyptic number.

2192543320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2192543320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2727749520).

2192543320 is an abundant number, since it is smaller than the sum of its proper divisors (3262955720).

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

2192543320 is a wasteful number, since it uses less digits than its factorization.

2192543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68356 (or 68352 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2192543320 is about 46824.6016534044. The cubic root of 2192543320 is about 1299.1203753642.

The spelling of 2192543320 in words is "two billion, one hundred ninety-two million, five hundred forty-three thousand, three hundred twenty".