223540302 has 16 divisors (see below), whose sum is σ = 447904512. Its totient is φ = 74376120.

The previous prime is 223540279. The next prime is 223540307. The reversal of 223540302 is 203045322.

223540302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223540307) 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, 30774 + ... + 37337.

It is an arithmetic number, because the mean of its divisors is an integer number (27994032).

Almost surely, 2^223540302 is an apocalyptic number.

223540302 is an abundant number, since it is smaller than the sum of its proper divisors (224364210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223540302 is a wasteful number, since it uses less digits than its factorization.

223540302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68663.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 223540302 is about 14951.2642274826. The cubic root of 223540302 is about 606.9020592929.

Adding to 223540302 its reverse (203045322), we get a palindrome (426585624).

The spelling of 223540302 in words is "two hundred twenty-three million, five hundred forty thousand, three hundred two".