223000000028 has 72 divisors (see below), whose sum is σ = 434736671040. Its totient is φ = 99494524800.

The previous prime is 223000000021. The next prime is 223000000043. The reversal of 223000000028 is 820000000322.

It is a junction number, because it is equal to n+sod(n) for n = 222999999952 and 223000000015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223000000021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61413773 + ... + 61417403.

It is an arithmetic number, because the mean of its divisors is an integer number (6038009320).

Almost surely, 2^223000000028 is an apocalyptic number.

It is an amenable number.

223000000028 is a deficient number, since it is larger than the sum of its proper divisors (211736671012).

223000000028 is a wasteful number, since it uses less digits than its factorization.

223000000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4906 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The spelling of 223000000028 in words is "two hundred twenty-three billion, twenty-eight", and thus it is an aban number.