3423220321 has 4 divisors (see below), whose sum is σ = 3430026432. Its totient is φ = 3416414212.

The previous prime is 3423220303. The next prime is 3423220327. The reversal of 3423220321 is 1230223243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3423220321 - 2⁵ = 3423220289 is a prime.

It is a super-2 number, since 2×3423220321² = 23436874732214686082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3423220292 and 3423220301.

It is not an unprimeable number, because it can be changed into a prime (3423220327) 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, 3402301 + ... + 3403306.

It is an arithmetic number, because the mean of its divisors is an integer number (857506608).

Almost surely, 2^3423220321 is an apocalyptic number.

It is an amenable number.

3423220321 is a deficient number, since it is larger than the sum of its proper divisors (6806111).

3423220321 is an equidigital number, since it uses as much as digits as its factorization.

3423220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806110.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3423220321 is about 58508.2927541045. The cubic root of 3423220321 is about 1507.1099966429.

Adding to 3423220321 its reverse (1230223243), we get a palindrome (4653443564).

The spelling of 3423220321 in words is "three billion, four hundred twenty-three million, two hundred twenty thousand, three hundred twenty-one".