3241222021 has 4 divisors (see below), whose sum is σ = 3241619500. Its totient is φ = 3240824544.

The previous prime is 3241222013. The next prime is 3241222067. The reversal of 3241222021 is 1202221423.

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 1758124900 + 1483097121 = 41930^2 + 38511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3241222021 - 2³ = 3241222013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3241222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241222421) 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, 186246 + ... + 202903.

It is an arithmetic number, because the mean of its divisors is an integer number (810404875).

Almost surely, 2^3241222021 is an apocalyptic number.

It is an amenable number.

3241222021 is a deficient number, since it is larger than the sum of its proper divisors (397479).

3241222021 is an equidigital number, since it uses as much as digits as its factorization.

3241222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397478.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3241222021 is about 56931.7312313617. The cubic root of 3241222021 is about 1479.9132559642.

Adding to 3241222021 its reverse (1202221423), we get a palindrome (4443443444).

The spelling of 3241222021 in words is "three billion, two hundred forty-one million, two hundred twenty-two thousand, twenty-one".