222404356 has 12 divisors (see below), whose sum is σ = 395017168. Its totient is φ = 109542312.

The previous prime is 222404327. The next prime is 222404407. The reversal of 222404356 is 653404222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414666 + ... + 415201.

Almost surely, 2^222404356 is an apocalyptic number.

It is an amenable number.

222404356 is a deficient number, since it is larger than the sum of its proper divisors (172612812).

222404356 is a wasteful number, since it uses less digits than its factorization.

222404356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829938 (or 829936 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 222404356 is about 14913.2275514055. The cubic root of 222404356 is about 605.8722986080.

Adding to 222404356 its reverse (653404222), we get a palindrome (875808578).

The spelling of 222404356 in words is "two hundred twenty-two million, four hundred four thousand, three hundred fifty-six".