223031404 has 12 divisors (see below), whose sum is σ = 390427128. Its totient is φ = 111480800.

The previous prime is 223031399. The next prime is 223031407. The reversal of 223031404 is 404130322.

It is a super-2 number, since 2×223031404² = 99486014340422432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223031407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10224 + ... + 23464.

It is an arithmetic number, because the mean of its divisors is an integer number (32535594).

Almost surely, 2^223031404 is an apocalyptic number.

It is an amenable number.

223031404 is a deficient number, since it is larger than the sum of its proper divisors (167395724).

223031404 is a wasteful number, since it uses less digits than its factorization.

223031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456 (or 17454 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 223031404 is about 14934.2359697442. The cubic root of 223031404 is about 606.4411641600.

Adding to 223031404 its reverse (404130322), we get a palindrome (627161726).

The spelling of 223031404 in words is "two hundred twenty-three million, thirty-one thousand, four hundred four".