22848209 has 4 divisors (see below), whose sum is σ = 23585280. Its totient is φ = 22111140.

The previous prime is 22848191. The next prime is 22848211. The reversal of 22848209 is 90284822.

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.

It is a cyclic number.

It is not a de Polignac number, because 22848209 - 2⁸ = 22847953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22848239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368489 + ... + 368550.

It is an arithmetic number, because the mean of its divisors is an integer number (5896320).

Almost surely, 2^22848209 is an apocalyptic number.

It is an amenable number.

22848209 is a deficient number, since it is larger than the sum of its proper divisors (737071).

22848209 is an equidigital number, since it uses as much as digits as its factorization.

22848209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737070.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 22848209 is about 4779.9800208787. The cubic root of 22848209 is about 283.7597030068.

The spelling of 22848209 in words is "twenty-two million, eight hundred forty-eight thousand, two hundred nine".