223204028 has 6 divisors (see below), whose sum is σ = 390607056. Its totient is φ = 111602012.

The previous prime is 223204027. The next prime is 223204031. The reversal of 223204028 is 820402322.

It is a super-3 number, since 3×223204028³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223203994 and 223204012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223204027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27900500 + ... + 27900507.

It is an arithmetic number, because the mean of its divisors is an integer number (65101176).

Almost surely, 2^223204028 is an apocalyptic number.

It is an amenable number.

223204028 is a deficient number, since it is larger than the sum of its proper divisors (167403028).

223204028 is a wasteful number, since it uses less digits than its factorization.

223204028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55801011 (or 55801009 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 223204028 is about 14940.0143239557. The cubic root of 223204028 is about 606.5975835409.

The spelling of 223204028 in words is "two hundred twenty-three million, two hundred four thousand, twenty-eight".