223287730 has 16 divisors (see below), whose sum is σ = 414883584. Its totient is φ = 86433840.

The previous prime is 223287721. The next prime is 223287731. The reversal of 223287730 is 37782322.

It is a happy number.

It is a super-3 number, since 3×223287730³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223287731) 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, 359832 + ... + 360451.

It is an arithmetic number, because the mean of its divisors is an integer number (25930224).

Almost surely, 2^223287730 is an apocalyptic number.

223287730 is a deficient number, since it is larger than the sum of its proper divisors (191595854).

223287730 is a wasteful number, since it uses less digits than its factorization.

223287730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720321.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 223287730 is about 14942.8153304523. The cubic root of 223287730 is about 606.6733992061.

The spelling of 223287730 in words is "two hundred twenty-three million, two hundred eighty-seven thousand, seven hundred thirty".