223604530 has 8 divisors (see below), whose sum is σ = 402488172. Its totient is φ = 89441808.

The previous prime is 223604503. The next prime is 223604533. The reversal of 223604530 is 35406322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 223592209 + 12321 = 14953^2 + 111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 223604495 and 223604504.

It is not an unprimeable number, because it can be changed into a prime (223604533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11180217 + ... + 11180236.

Almost surely, 2^223604530 is an apocalyptic number.

223604530 is a deficient number, since it is larger than the sum of its proper divisors (178883642).

223604530 is a wasteful number, since it uses less digits than its factorization.

223604530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360460.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 223604530 is about 14953.4119852293. The cubic root of 223604530 is about 606.9601791225.

The spelling of 223604530 in words is "two hundred twenty-three million, six hundred four thousand, five hundred thirty".