223412404 has 24 divisors (see below), whose sum is σ = 408479400. Its totient is φ = 106780800.

The previous prime is 223412389. The next prime is 223412417. The reversal of 223412404 is 404214322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 168948004 + 54464400 = 12998^2 + 7380^2 .

It is a super-2 number, since 2×223412404² = 99826204522118432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182 + ... + 21250.

It is an arithmetic number, because the mean of its divisors is an integer number (17019975).

Almost surely, 2^223412404 is an apocalyptic number.

It is an amenable number.

223412404 is a deficient number, since it is larger than the sum of its proper divisors (185066996).

223412404 is a wasteful number, since it uses less digits than its factorization.

223412404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19203 (or 19201 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223412404 is about 14946.9864521247. The cubic root of 223412404 is about 606.7862914019.

Adding to 223412404 its reverse (404214322), we get a palindrome (627626726).

The spelling of 223412404 in words is "two hundred twenty-three million, four hundred twelve thousand, four hundred four".