222064441 has 4 divisors (see below), whose sum is σ = 222114852. Its totient is φ = 222014032.

The previous prime is 222064433. The next prime is 222064463. The reversal of 222064441 is 144460222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85174441 + 136890000 = 9229^2 + 11700^2 .

It is a cyclic number.

It is not a de Polignac number, because 222064441 - 2³ = 222064433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222067441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17890 + ... + 27643.

It is an arithmetic number, because the mean of its divisors is an integer number (55528713).

Almost surely, 2^222064441 is an apocalyptic number.

It is an amenable number.

222064441 is a deficient number, since it is larger than the sum of its proper divisors (50411).

222064441 is an equidigital number, since it uses as much as digits as its factorization.

222064441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50410.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 222064441 is about 14901.8267672121. The cubic root of 222064441 is about 605.5634765822.

The spelling of 222064441 in words is "two hundred twenty-two million, sixty-four thousand, four hundred forty-one".