223040464 has 10 divisors (see below), whose sum is σ = 432140930. Its totient is φ = 111520224.

The previous prime is 223040413. The next prime is 223040471. The reversal of 223040464 is 464040322.

223040464 is digitally balanced in base 2, 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., 219276864 + 3763600 = 14808^2 + 1940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969999 + ... + 6970030.

It is an arithmetic number, because the mean of its divisors is an integer number (43214093).

Almost surely, 2^223040464 is an apocalyptic number.

It is an amenable number.

223040464 is a deficient number, since it is larger than the sum of its proper divisors (209100466).

223040464 is a wasteful number, since it uses less digits than its factorization.

223040464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940037 (or 13940031 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 223040464 is about 14934.5392965434. The cubic root of 223040464 is about 606.4493756831.

Adding to 223040464 its reverse (464040322), we get a palindrome (687080786).

It can be divided in two parts, 2230404 and 64, that multiplied together give a triangular number (142745856 = T₁₆₈₉₆).

The spelling of 223040464 in words is "two hundred twenty-three million, forty thousand, four hundred sixty-four".