1332332021 has 4 divisors (see below), whose sum is σ = 1337040192. Its totient is φ = 1327623852.

The previous prime is 1332332011. The next prime is 1332332033. The reversal of 1332332021 is 1202332331.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332332021 is a prime.

It is a super-2 number, since 2×1332332021² = 3550217228363888882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332331984 and 1332332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332332011) 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 in 3 ways as a sum of consecutive naturals, for example, 2353661 + ... + 2354226.

It is an arithmetic number, because the mean of its divisors is an integer number (334260048).

Almost surely, 2^1332332021 is an apocalyptic number.

It is an amenable number.

1332332021 is a deficient number, since it is larger than the sum of its proper divisors (4708171).

1332332021 is an equidigital number, since it uses as much as digits as its factorization.

1332332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708170.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1332332021 is about 36501.1235580496. The cubic root of 1332332021 is about 1100.3668255921.

Adding to 1332332021 its reverse (1202332331), we get a palindrome (2534664352).

The spelling of 1332332021 in words is "one billion, three hundred thirty-two million, three hundred thirty-two thousand, twenty-one".