3244443421 has 4 divisors (see below), whose sum is σ = 3435293052. Its totient is φ = 3053593792.

The previous prime is 3244443413. The next prime is 3244443427. The reversal of 3244443421 is 1243444423.

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 1514299396 + 1730144025 = 38914^2 + 41595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244443421 - 2³ = 3244443413 is a prime.

It is a super-2 number, since 2×3244443421² = 21052826224140366482, 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 (3244443427) 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, 95424790 + ... + 95424823.

It is an arithmetic number, because the mean of its divisors is an integer number (858823263).

Almost surely, 2^3244443421 is an apocalyptic number.

It is an amenable number.

3244443421 is a deficient number, since it is larger than the sum of its proper divisors (190849631).

3244443421 is a wasteful number, since it uses less digits than its factorization.

3244443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190849630.

The product of its digits is 36864, while the sum is 31.

The square root of 3244443421 is about 56960.0159848994. The cubic root of 3244443421 is about 1480.4033811897.

Adding to 3244443421 its reverse (1243444423), we get a palindrome (4487887844).

The spelling of 3244443421 in words is "three billion, two hundred forty-four million, four hundred forty-three thousand, four hundred twenty-one".