222404404 has 12 divisors (see below), whose sum is σ = 412102404. Its totient is φ = 104660864.

The previous prime is 222404327. The next prime is 222404407. The reversal of 222404404 is 404404222.

222404404 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 2 ways, for example, as 188787600 + 33616804 = 13740^2 + 5798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635259 + ... + 1635394.

It is an arithmetic number, because the mean of its divisors is an integer number (34341867).

Almost surely, 2^222404404 is an apocalyptic number.

It is an amenable number.

222404404 is a deficient number, since it is larger than the sum of its proper divisors (189698000).

222404404 is a wasteful number, since it uses less digits than its factorization.

222404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270674 (or 3270672 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 222404404 is about 14913.2291607150. The cubic root of 222404404 is about 605.8723421950.

Adding to 222404404 its reverse (404404222), we get a palindrome (626808626).

The spelling of 222404404 in words is "two hundred twenty-two million, four hundred four thousand, four hundred four".