2297880 has 96 divisors (see below), whose sum is σ = 8058960. Its totient is φ = 564480.

The previous prime is 2297863. The next prime is 2297881. The reversal of 2297880 is 887922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4435 + ... + 4925.

2^2297880 is an apocalyptic number.

2297880 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 2297880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4029480).

2297880 is an abundant number, since it is smaller than the sum of its proper divisors (5761080).

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

2297880 is a wasteful number, since it uses less digits than its factorization.

2297880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2297880 is about 1515.8759843734. The cubic root of 2297880 is about 131.9600430025.

The spelling of 2297880 in words is "two million, two hundred ninety-seven thousand, eight hundred eighty".