1332822221 has 4 divisors (see below), whose sum is σ = 1334751744. Its totient is φ = 1330892700.

The previous prime is 1332822191. The next prime is 1332822269. The reversal of 1332822221 is 1222282331.

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: 1222282331 = 19 ⋅64330649.

It is a cyclic number.

It is not a de Polignac number, because 1332822221 - 2¹⁸ = 1332560077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332822521) 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, 963725 + ... + 965106.

It is an arithmetic number, because the mean of its divisors is an integer number (333687936).

Almost surely, 2^1332822221 is an apocalyptic number.

It is an amenable number.

1332822221 is a deficient number, since it is larger than the sum of its proper divisors (1929523).

1332822221 is an equidigital number, since it uses as much as digits as its factorization.

1332822221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929522.

The product of its digits is 2304, while the sum is 26.

The square root of 1332822221 is about 36507.8378023131. The cubic root of 1332822221 is about 1100.5017603455.

The spelling of 1332822221 in words is "one billion, three hundred thirty-two million, eight hundred twenty-two thousand, two hundred twenty-one".