3423444221 has 2 divisors, whose sum is σ = 3423444222. Its totient is φ = 3423444220.

The previous prime is 3423444191. The next prime is 3423444259. The reversal of 3423444221 is 1224443243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2927892100 + 495552121 = 54110^2 + 22261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423444221 - 2²² = 3419249917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3423444121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711722110 + 1711722111.

It is an arithmetic number, because the mean of its divisors is an integer number (1711722111).

Almost surely, 2^3423444221 is an apocalyptic number.

It is an amenable number.

3423444221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423444221 is an equidigital number, since it uses as much as digits as its factorization.

3423444221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

The square root of 3423444221 is about 58510.2061267947. The cubic root of 3423444221 is about 1507.1428540637.

Adding to 3423444221 its reverse (1224443243), we get a palindrome (4647887464).

The spelling of 3423444221 in words is "three billion, four hundred twenty-three million, four hundred forty-four thousand, two hundred twenty-one".