2287960209 has 8 divisors (see below), whose sum is σ = 3389570720. Its totient is φ = 1525306788.

The previous prime is 2287960193. The next prime is 2287960217. The reversal of 2287960209 is 9020697822.

It is not a de Polignac number, because 2287960209 - 2⁴ = 2287960193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2287960109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42369607 + ... + 42369660.

It is an arithmetic number, because the mean of its divisors is an integer number (423696340).

Almost surely, 2^2287960209 is an apocalyptic number.

It is an amenable number.

2287960209 is a deficient number, since it is larger than the sum of its proper divisors (1101610511).

2287960209 is an equidigital number, since it uses as much as digits as its factorization.

2287960209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84739276 (or 84739270 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2287960209 is about 47832.6270342744. The cubic root of 2287960209 is about 1317.6988160417.

The spelling of 2287960209 in words is "two billion, two hundred eighty-seven million, nine hundred sixty thousand, two hundred nine".