222404423 has 8 divisors (see below), whose sum is σ = 230529792. Its totient is φ = 214420536.

The previous prime is 222404407. The next prime is 222404477. The reversal of 222404423 is 324404222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222404423 - 2⁴ = 222404407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32165 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (28816224).

Almost surely, 2^222404423 is an apocalyptic number.

222404423 is a deficient number, since it is larger than the sum of its proper divisors (8125369).

222404423 is an equidigital number, since it uses as much as digits as its factorization.

222404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70741.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 222404423 is about 14913.2297977333. The cubic root of 222404423 is about 605.8723594483.

Adding to 222404423 its reverse (324404222), we get a palindrome (546808645).

The spelling of 222404423 in words is "two hundred twenty-two million, four hundred four thousand, four hundred twenty-three".