2297800 has 24 divisors (see below), whose sum is σ = 5342850. Its totient is φ = 919040.

The previous prime is 2297797. The next prime is 2297807. The reversal of 2297800 is 87922.

It can be written as a sum of positive squares in 3 ways, for example, as 1387684 + 910116 = 1178^2 + 954^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2297807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5545 + ... + 5944.

2^2297800 is an apocalyptic number.

2297800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2297800 is an abundant number, since it is smaller than the sum of its proper divisors (3045050).

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

2297800 is a wasteful number, since it uses less digits than its factorization.

2297800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505 (or 11496 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2297800 is about 1515.8495967608. The cubic root of 2297800 is about 131.9585116017.

The spelling of 2297800 in words is "two million, two hundred ninety-seven thousand, eight hundred".