2299820 has 24 divisors (see below), whose sum is σ = 4914000. Its totient is φ = 903872.

The previous prime is 2299789. The next prime is 2299823. The reversal of 2299820 is 289922.

2299820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2299823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (204750).

2^2299820 is an apocalyptic number.

2299820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2299820 is an abundant number, since it is smaller than the sum of its proper divisors (2614180).

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

2299820 is a wasteful number, since it uses less digits than its factorization.

2299820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2299820 is about 1516.5157434066. The cubic root of 2299820 is about 131.9971685955.

The spelling of 2299820 in words is "two million, two hundred ninety-nine thousand, eight hundred twenty".