223297744 has 10 divisors (see below), whose sum is σ = 432639410. Its totient is φ = 111648864.

The previous prime is 223297741. The next prime is 223297751. The reversal of 223297744 is 447792322.

223297744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209902144 + 13395600 = 14488^2 + 3660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223297697 and 223297706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223297741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6978039 + ... + 6978070.

It is an arithmetic number, because the mean of its divisors is an integer number (43263941).

Almost surely, 2^223297744 is an apocalyptic number.

It is an amenable number.

223297744 is a deficient number, since it is larger than the sum of its proper divisors (209341666).

223297744 is a wasteful number, since it uses less digits than its factorization.

223297744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956117 (or 13956111 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 223297744 is about 14943.1504041149. The cubic root of 223297744 is about 606.6824684260.

The spelling of 223297744 in words is "two hundred twenty-three million, two hundred ninety-seven thousand, seven hundred forty-four".