223320394 has 16 divisors (see below), whose sum is σ = 366734880. Its totient is φ = 101147760.

The previous prime is 223320389. The next prime is 223320397. The reversal of 223320394 is 493023322.

It is not an unprimeable number, because it can be changed into a prime (223320397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11709 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (22920930).

Almost surely, 2^223320394 is an apocalyptic number.

223320394 is a deficient number, since it is larger than the sum of its proper divisors (143414486).

223320394 is a wasteful number, since it uses less digits than its factorization.

223320394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36165.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 223320394 is about 14943.9082572130. The cubic root of 223320394 is about 606.7029804908.

The spelling of 223320394 in words is "two hundred twenty-three million, three hundred twenty thousand, three hundred ninety-four".