3222032021 has 16 divisors (see below), whose sum is σ = 3540242160. Its totient is φ = 2914030080.

The previous prime is 3222032003. The next prime is 3222032053. The reversal of 3222032021 is 1202302223.

It can be written as a sum of positive squares in 8 ways, for example, as 275062225 + 2946969796 = 16585^2 + 54286^2 .

It is not a de Polignac number, because 3222032021 - 2¹⁴ = 3222015637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222032921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568361 + ... + 574001.

It is an arithmetic number, because the mean of its divisors is an integer number (221265135).

Almost surely, 2^3222032021 is an apocalyptic number.

It is an amenable number.

3222032021 is a deficient number, since it is larger than the sum of its proper divisors (318210139).

3222032021 is a wasteful number, since it uses less digits than its factorization.

3222032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3222032021 is about 56762.9458449788. The cubic root of 3222032021 is about 1476.9868115787.

Adding to 3222032021 its reverse (1202302223), we get a palindrome (4424334244).

The spelling of 3222032021 in words is "three billion, two hundred twenty-two million, thirty-two thousand, twenty-one".