3424223221 has 4 divisors (see below), whose sum is σ = 3438919692. Its totient is φ = 3409526752.

The previous prime is 3424223213. The next prime is 3424223237. The reversal of 3424223221 is 1223224243.

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 372876100 + 3051347121 = 19310^2 + 55239^2 .

It is a cyclic number.

It is not a de Polignac number, because 3424223221 - 2³ = 3424223213 is a prime.

It is a super-2 number, since 2×3424223221² = 23450609334471229682, 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 (3424223021) 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, 7347886 + ... + 7348351.

It is an arithmetic number, because the mean of its divisors is an integer number (859729923).

Almost surely, 2^3424223221 is an apocalyptic number.

It is an amenable number.

3424223221 is a deficient number, since it is larger than the sum of its proper divisors (14696471).

3424223221 is a wasteful number, since it uses less digits than its factorization.

3424223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14696470.

The product of its digits is 4608, while the sum is 25.

The square root of 3424223221 is about 58516.8627064028. The cubic root of 3424223221 is about 1507.2571614850.

Adding to 3424223221 its reverse (1223224243), we get a palindrome (4647447464).

The spelling of 3424223221 in words is "three billion, four hundred twenty-four million, two hundred twenty-three thousand, two hundred twenty-one".