2193257088 has 160 divisors (see below), whose sum is σ = 7120840320. Its totient is φ = 664588800.

The previous prime is 2193257081. The next prime is 2193257089. The reversal of 2193257088 is 8807523912.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2193257081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 104433 + ... + 123663.

It is an arithmetic number, because the mean of its divisors is an integer number (44505252).

Almost surely, 2^2193257088 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 2193257088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560420160).

2193257088 is an abundant number, since it is smaller than the sum of its proper divisors (4927583232).

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

2193257088 is a wasteful number, since it uses less digits than its factorization.

2193257088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 19247 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2193257088 is about 46832.2227531429. Note that the first 3 decimals coincide. The cubic root of 2193257088 is about 1299.2613334226.

The spelling of 2193257088 in words is "two billion, one hundred ninety-three million, two hundred fifty-seven thousand, eighty-eight".