4244220241 has 4 divisors (see below), whose sum is σ = 4313797684. Its totient is φ = 4174642800.

The previous prime is 4244220229. The next prime is 4244220259. The reversal of 4244220241 is 1420224424.

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 176331841 + 4067888400 = 13279^2 + 63780^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244220241 - 2⁹ = 4244219729 is a prime.

It is a super-2 number, since 2×4244220241² = 36026810908228196162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244224241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34788630 + ... + 34788751.

It is an arithmetic number, because the mean of its divisors is an integer number (1078449421).

Almost surely, 2^4244220241 is an apocalyptic number.

It is an amenable number.

4244220241 is a deficient number, since it is larger than the sum of its proper divisors (69577443).

4244220241 is an equidigital number, since it uses as much as digits as its factorization.

4244220241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69577442.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4244220241 is about 65147.6802426610. The cubic root of 4244220241 is about 1619.0712861359.

Adding to 4244220241 its reverse (1420224424), we get a palindrome (5664444665).

The spelling of 4244220241 in words is "four billion, two hundred forty-four million, two hundred twenty thousand, two hundred forty-one".