223540052 has 12 divisors (see below), whose sum is σ = 391300896. Its totient is φ = 111739800.

The previous prime is 223540043. The next prime is 223540063. The reversal of 223540052 is 250045322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21473 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (32608408).

Almost surely, 2^223540052 is an apocalyptic number.

It is an amenable number.

223540052 is a deficient number, since it is larger than the sum of its proper divisors (167760844).

223540052 is a wasteful number, since it uses less digits than its factorization.

223540052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118 (or 15116 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 223540052 is about 14951.2558669832. The cubic root of 223540052 is about 606.9018330465.

Adding to 223540052 its reverse (250045322), we get a palindrome (473585374).

The spelling of 223540052 in words is "two hundred twenty-three million, five hundred forty thousand, fifty-two".