2297161328 has 80 divisors (see below), whose sum is σ = 5557144320. Its totient is φ = 893683200.

The previous prime is 2297161327. The next prime is 2297161343. The reversal of 2297161328 is 8231617922.

2297161328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297161327) 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, 1550348 + ... + 1551828.

It is an arithmetic number, because the mean of its divisors is an integer number (69464304).

Almost surely, 2^2297161328 is an apocalyptic number.

2297161328 is a gapful number since it is divisible by the number (28) 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 2297161328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778572160).

2297161328 is an abundant number, since it is smaller than the sum of its proper divisors (3259982992).

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

2297161328 is a wasteful number, since it uses less digits than its factorization.

2297161328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2760 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 2297161328 is about 47928.7108944107. The cubic root of 2297161328 is about 1319.4628454156.

The spelling of 2297161328 in words is "two billion, two hundred ninety-seven million, one hundred sixty-one thousand, three hundred twenty-eight".