2297118720 has 240 divisors, whose sum is σ = 7926992640. Its totient is φ = 564658176.

The previous prime is 2297118709. The next prime is 2297118731. The reversal of 2297118720 is 278117922.

It is an interprime number because it is at equal distance from previous prime (2297118709) and next prime (2297118731).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194521 + ... + 3195239.

It is an arithmetic number, because the mean of its divisors is an integer number (33029136).

Almost surely, 2^2297118720 is an apocalyptic number.

2297118720 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 2297118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3963496320).

2297118720 is an abundant number, since it is smaller than the sum of its proper divisors (5629873920).

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

2297118720 is an equidigital number, since it uses as much as digits as its factorization.

2297118720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 2297118720 is about 47928.2663988590. The cubic root of 2297118720 is about 1319.4546875180.

The spelling of 2297118720 in words is "two billion, two hundred ninety-seven million, one hundred eighteen thousand, seven hundred twenty".