223321005552 has 40 divisors (see below), whose sum is σ = 579454091136. Its totient is φ = 74112400576.

The previous prime is 223321005497. The next prime is 223321005577. The reversal of 223321005552 is 255500123322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10236948 + ... + 10258739.

Almost surely, 2^223321005552 is an apocalyptic number.

It is an amenable number.

223321005552 is an abundant number, since it is smaller than the sum of its proper divisors (356133085584).

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

223321005552 is a wasteful number, since it uses less digits than its factorization.

223321005552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20495925 (or 20495919 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 223321005552 its reverse (255500123322), we get a palindrome (478821128874).

The spelling of 223321005552 in words is "two hundred twenty-three billion, three hundred twenty-one million, five thousand, five hundred fifty-two".