223312004 has 6 divisors (see below), whose sum is σ = 390796014. Its totient is φ = 111656000.

The previous prime is 223311973. The next prime is 223312009. The reversal of 223312004 is 400213322.

223312004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 169260100 + 54051904 = 13010^2 + 7352^2 .

It is a super-2 number, since 2×223312004² = 99736502260992032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223312009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27913997 + ... + 27914004.

It is an arithmetic number, because the mean of its divisors is an integer number (65132669).

Almost surely, 2^223312004 is an apocalyptic number.

It is an amenable number.

223312004 is a deficient number, since it is larger than the sum of its proper divisors (167484010).

223312004 is a wasteful number, since it uses less digits than its factorization.

223312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55828005 (or 55828003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223312004 is about 14943.6275381850. The cubic root of 223312004 is about 606.6953825852.

Adding to 223312004 its reverse (400213322), we get a palindrome (623525326).

The spelling of 223312004 in words is "two hundred twenty-three million, three hundred twelve thousand, four".