223072399 has 4 divisors (see below), whose sum is σ = 243351720. Its totient is φ = 202793080.

The previous prime is 223072393. The next prime is 223072403. The reversal of 223072399 is 993270322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223072399 - 2⁷ = 223072271 is a prime.

It is a super-3 number, since 3×223072399³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223072393) 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, 10139644 + ... + 10139665.

It is an arithmetic number, because the mean of its divisors is an integer number (60837930).

Almost surely, 2^223072399 is an apocalyptic number.

223072399 is a deficient number, since it is larger than the sum of its proper divisors (20279321).

223072399 is a wasteful number, since it uses less digits than its factorization.

223072399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20279320.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 223072399 is about 14935.6084241654. The cubic root of 223072399 is about 606.4783181691.

The spelling of 223072399 in words is "two hundred twenty-three million, seventy-two thousand, three hundred ninety-nine".