2297995728 has 160 divisors (see below), whose sum is σ = 7163232000. Its totient is φ = 633798144.

The previous prime is 2297995703. The next prime is 2297995747. The reversal of 2297995728 is 8275997922.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 475050 + ... + 479862.

It is an arithmetic number, because the mean of its divisors is an integer number (44770200).

Almost surely, 2^2297995728 is an apocalyptic number.

2297995728 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 2297995728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3581616000).

2297995728 is an abundant number, since it is smaller than the sum of its proper divisors (4865236272).

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

2297995728 is a wasteful number, since it uses less digits than its factorization.

2297995728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4854 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The square root of 2297995728 is about 47937.4146987507. The cubic root of 2297995728 is about 1319.6225826400.

The spelling of 2297995728 in words is "two billion, two hundred ninety-seven million, nine hundred ninety-five thousand, seven hundred twenty-eight".