2209242473 has 4 divisors (see below), whose sum is σ = 2256247680. Its totient is φ = 2162237268.

The previous prime is 2209242449. The next prime is 2209242517. The reversal of 2209242473 is 3742429022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3742429022 = 2 ⋅1871214511.

It is a cyclic number.

It is not a de Polignac number, because 2209242473 - 2¹² = 2209238377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209242403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23502533 + ... + 23502626.

It is an arithmetic number, because the mean of its divisors is an integer number (564061920).

Almost surely, 2^2209242473 is an apocalyptic number.

It is an amenable number.

2209242473 is a deficient number, since it is larger than the sum of its proper divisors (47005207).

2209242473 is an equidigital number, since it uses as much as digits as its factorization.

2209242473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47005206.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2209242473 is about 47002.5794292186. The cubic root of 2209242473 is about 1302.4102176169.

The spelling of 2209242473 in words is "two billion, two hundred nine million, two hundred forty-two thousand, four hundred seventy-three".