1332503221 has 16 divisors (see below), whose sum is σ = 1580249088. Its totient is φ = 1099854000.

The previous prime is 1332503213. The next prime is 1332503243. The reversal of 1332503221 is 1223052331.

It is not a de Polignac number, because 1332503221 - 2³ = 1332503213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332503192 and 1332503201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332501221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9805 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (98765568).

Almost surely, 2^1332503221 is an apocalyptic number.

It is an amenable number.

1332503221 is a deficient number, since it is larger than the sum of its proper divisors (247745867).

1332503221 is an equidigital number, since it uses as much as digits as its factorization.

1332503221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62472.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1332503221 is about 36503.4686160096. The cubic root of 1332503221 is about 1100.4139546684.

Adding to 1332503221 its reverse (1223052331), we get a palindrome (2555555552).

The spelling of 1332503221 in words is "one billion, three hundred thirty-two million, five hundred three thousand, two hundred twenty-one".