223067809 has 4 divisors (see below), whose sum is σ = 234808240. Its totient is φ = 211327380.

The previous prime is 223067807. The next prime is 223067813. The reversal of 223067809 is 908760322.

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 223067809 - 2¹ = 223067807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223067807) 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, 5870187 + ... + 5870224.

It is an arithmetic number, because the mean of its divisors is an integer number (58702060).

Almost surely, 2^223067809 is an apocalyptic number.

It is an amenable number.

223067809 is a deficient number, since it is larger than the sum of its proper divisors (11740431).

223067809 is a wasteful number, since it uses less digits than its factorization.

223067809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740430.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 223067809 is about 14935.4547637492. The cubic root of 223067809 is about 606.4741584515.

The spelling of 223067809 in words is "two hundred twenty-three million, sixty-seven thousand, eight hundred nine".