3244241221 has 4 divisors (see below), whose sum is σ = 3493798252. Its totient is φ = 2994684192.

The previous prime is 3244241213. The next prime is 3244241239. The reversal of 3244241221 is 1221424423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1221424423 = 9697 ⋅125959.

It can be written as a sum of positive squares in 2 ways, for example, as 777628996 + 2466612225 = 27886^2 + 49665^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244241221 - 2³ = 3244241213 is a prime.

It is a super-2 number, since 2×3244241221² = 21050202200071141682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244241821) 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, 124778496 + ... + 124778521.

It is an arithmetic number, because the mean of its divisors is an integer number (873449563).

Almost surely, 2^3244241221 is an apocalyptic number.

It is an amenable number.

3244241221 is a deficient number, since it is larger than the sum of its proper divisors (249557031).

3244241221 is a wasteful number, since it uses less digits than its factorization.

3244241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249557030.

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

The square root of 3244241221 is about 56958.2410279671. The cubic root of 3244241221 is about 1480.3726266818.

Adding to 3244241221 its reverse (1221424423), we get a palindrome (4465665644).

The spelling of 3244241221 in words is "three billion, two hundred forty-four million, two hundred forty-one thousand, two hundred twenty-one".