222404441 has 4 divisors (see below), whose sum is σ = 254176512. Its totient is φ = 190632372.

The previous prime is 222404407. The next prime is 222404477. The reversal of 222404441 is 144404222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222404441 - 2²² = 218210137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222404491) 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, 15886025 + ... + 15886038.

It is an arithmetic number, because the mean of its divisors is an integer number (63544128).

Almost surely, 2^222404441 is an apocalyptic number.

It is an amenable number.

222404441 is a deficient number, since it is larger than the sum of its proper divisors (31772071).

222404441 is an equidigital number, since it uses as much as digits as its factorization.

222404441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772070.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 222404441 is about 14913.2304012243. The cubic root of 222404441 is about 605.8723757934.

Adding to 222404441 its reverse (144404222), we get a palindrome (366808663).

The spelling of 222404441 in words is "two hundred twenty-two million, four hundred four thousand, four hundred forty-one".