223300000021 has 16 divisors (see below), whose sum is σ = 255701513088. Its totient is φ = 191024064000.

The previous prime is 223299999947. The next prime is 223300000037. The reversal of 223300000021 is 120000003322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-223300000021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223299999947 and 223300000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223300000921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19855626 + ... + 19866868.

It is an arithmetic number, because the mean of its divisors is an integer number (15981344568).

Almost surely, 2^223300000021 is an apocalyptic number.

It is an amenable number.

223300000021 is a deficient number, since it is larger than the sum of its proper divisors (32401513067).

223300000021 is a wasteful number, since it uses less digits than its factorization.

223300000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16572.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 223300000021 its reverse (120000003322), we get a palindrome (343300003343).

The spelling of 223300000021 in words is "two hundred twenty-three billion, three hundred million, twenty-one", and thus it is an aban number.