1332322021 has 2 divisors, whose sum is σ = 1332322022. Its totient is φ = 1332322020.

The previous prime is 1332321979. The next prime is 1332322049. The reversal of 1332322021 is 1202232331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1323940996 + 8381025 = 36386^2 + 2895^2 .

It is an emirp because it is prime and its reverse (1202232331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1332322021 - 2¹¹ = 1332319973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1332322021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332320021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666161010 + 666161011.

It is an arithmetic number, because the mean of its divisors is an integer number (666161011).

Almost surely, 2^1332322021 is an apocalyptic number.

It is an amenable number.

1332322021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332322021 is an equidigital number, since it uses as much as digits as its factorization.

1332322021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1332322021 is about 36500.9865757078. The cubic root of 1332322021 is about 1100.3640726007.

Adding to 1332322021 its reverse (1202232331), we get a palindrome (2534554352).

It can be divided in two parts, 13323 and 22021, that added together give a square (35344 = 188²).

The spelling of 1332322021 in words is "one billion, three hundred thirty-two million, three hundred twenty-two thousand, twenty-one".