2299999 has 4 divisors (see below), whose sum is σ = 2476936. Its totient is φ = 2123064.

The previous prime is 2299963. The next prime is 2300003. The reversal of 2299999 is 9999922.

2299999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9999922 = 2 ⋅4999961.

It is a cyclic number.

It is not a de Polignac number, because 2299999 - 2¹¹ = 2297951 is a prime.

It is a Duffinian number.

2299999 is a modest number, since divided by 9999 gives 229 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299919) 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 3 ways as a sum of consecutive naturals, for example, 88449 + ... + 88474.

It is an arithmetic number, because the mean of its divisors is an integer number (619234).

2^2299999 is an apocalyptic number.

2299999 is a deficient number, since it is larger than the sum of its proper divisors (176937).

2299999 is a wasteful number, since it uses less digits than its factorization.

2299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176936.

The product of its digits is 236196, while the sum is 49.

The square root of 2299999 is about 1516.5747591200. The cubic root of 2299999 is about 132.0005930491. Note that the first 3 decimals are identical.

The spelling of 2299999 in words is "two million, two hundred ninety-nine thousand, nine hundred ninety-nine".