223446946 has 32 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 100704000.

The previous prime is 223446919. The next prime is 223446947. The reversal of 223446946 is 649644322.

It is a junction number, because it is equal to n+sod(n) for n = 223446899 and 223446908.

It is not an unprimeable number, because it can be changed into a prime (223446947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105405 + ... + 107503.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2^223446946 is an apocalyptic number.

223446946 is a deficient number, since it is larger than the sum of its proper divisors (146690654).

223446946 is a wasteful number, since it uses less digits than its factorization.

223446946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250.

The product of its digits is 248832, while the sum is 40.

The square root of 223446946 is about 14948.1418912185. The cubic root of 223446946 is about 606.8175617217.

The spelling of 223446946 in words is "two hundred twenty-three million, four hundred forty-six thousand, nine hundred forty-six".