1332044221 has 4 divisors (see below), whose sum is σ = 1347011100. Its totient is φ = 1317077344.

The previous prime is 1332044183. The next prime is 1332044261. The reversal of 1332044221 is 1224402331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224402331 = 743 ⋅1647917.

It can be written as a sum of positive squares in 2 ways, for example, as 413105625 + 918938596 = 20325^2 + 30314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332044221 - 2²⁵ = 1298489789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332044192 and 1332044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332044261) 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, 7483306 + ... + 7483483.

It is an arithmetic number, because the mean of its divisors is an integer number (336752775).

Almost surely, 2^1332044221 is an apocalyptic number.

It is an amenable number.

1332044221 is a deficient number, since it is larger than the sum of its proper divisors (14966879).

1332044221 is an equidigital number, since it uses as much as digits as its factorization.

1332044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14966878.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1332044221 is about 36497.1810007294. The cubic root of 1332044221 is about 1100.2875889922.

Adding to 1332044221 its reverse (1224402331), we get a palindrome (2556446552).

The spelling of 1332044221 in words is "one billion, three hundred thirty-two million, forty-four thousand, two hundred twenty-one".