2293209 has 12 divisors (see below), whose sum is σ = 3362736. Its totient is φ = 1505592.

The previous prime is 2293199. The next prime is 2293219. The reversal of 2293209 is 9023922.

It is an interprime number because it is at equal distance from previous prime (2293199) and next prime (2293219).

It is not a de Polignac number, because 2293209 - 2¹⁷ = 2162137 is a prime.

2293209 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2293219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (280228).

2^2293209 is an apocalyptic number.

It is an amenable number.

2293209 is a deficient number, since it is larger than the sum of its proper divisors (1069527).

2293209 is a wasteful number, since it uses less digits than its factorization.

2293209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2293209 is about 1514.3345073002. The cubic root of 2293209 is about 131.8705687212.

Adding to 2293209 its product of nonzero digits (1944), we get a triangular number (2295153 = T₂₁₄₂).

The spelling of 2293209 in words is "two million, two hundred ninety-three thousand, two hundred nine".