2299490209 has 9 divisors (see below), whose sum is σ = 2332809297. Its totient is φ = 2266642404.

The previous prime is 2299490189. The next prime is 2299490213. The reversal of 2299490209 is 9020949922.

The square root of 2299490209 is 47953.

It is a perfect power (a square), and thus also a powerful number.

2299490209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2299490209 - 2⁵ = 2299490177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2299490009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3787984 + ... + 3788590.

It is an arithmetic number, because the mean of its divisors is an integer number (259201033).

Almost surely, 2^2299490209 is an apocalyptic number.

2299490209 is the 47953-rd square number.

2299490209 is the 23977-th centered octagonal number.

It is an amenable number.

2299490209 is a deficient number, since it is larger than the sum of its proper divisors (33319088).

2299490209 is an frugal number, since it uses more digits than its factorization.

2299490209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The cubic root of 2299490209 is about 1319.9085889025.

The spelling of 2299490209 in words is "two billion, two hundred ninety-nine million, four hundred ninety thousand, two hundred nine".