3152342221 has 8 divisors (see below), whose sum is σ = 3606773184. Its totient is φ = 2698935360.

The previous prime is 3152342213. The next prime is 3152342227. The reversal of 3152342221 is 1222432513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3152342221 - 2³ = 3152342213 is a prime.

It is a super-2 number, since 2×3152342221² = 19874522956598425682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3152342227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249415 + ... + 261748.

It is an arithmetic number, because the mean of its divisors is an integer number (450846648).

Almost surely, 2^3152342221 is an apocalyptic number.

It is an amenable number.

3152342221 is a deficient number, since it is larger than the sum of its proper divisors (454430963).

3152342221 is an equidigital number, since it uses as much as digits as its factorization.

3152342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512051.

The product of its digits is 2880, while the sum is 25.

The square root of 3152342221 is about 56145.7230873376. The cubic root of 3152342221 is about 1466.2604474583.

Adding to 3152342221 its reverse (1222432513), we get a palindrome (4374774734).

The spelling of 3152342221 in words is "three billion, one hundred fifty-two million, three hundred forty-two thousand, two hundred twenty-one".