3141223221 has 4 divisors (see below), whose sum is σ = 4188297632. Its totient is φ = 2094148812.

The previous prime is 3141223219. The next prime is 3141223271. The reversal of 3141223221 is 1223221413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1223221413 = 3 ⋅407740471.

It is not a de Polignac number, because 3141223221 - 2¹ = 3141223219 is a prime.

It is a super-2 number, since 2×3141223221² = 19734566648299229682, 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 (3141223271) 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, 523537201 + ... + 523537206.

It is an arithmetic number, because the mean of its divisors is an integer number (1047074408).

Almost surely, 2^3141223221 is an apocalyptic number.

It is an amenable number.

3141223221 is a deficient number, since it is larger than the sum of its proper divisors (1047074411).

3141223221 is a wasteful number, since it uses less digits than its factorization.

3141223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047074410.

The product of its digits is 576, while the sum is 21.

The square root of 3141223221 is about 56046.6164991251. The cubic root of 3141223221 is about 1464.5344762160.

Adding to 3141223221 its reverse (1223221413), we get a palindrome (4364444634).

The spelling of 3141223221 in words is "three billion, one hundred forty-one million, two hundred twenty-three thousand, two hundred twenty-one".