1332002221 has 8 divisors (see below), whose sum is σ = 1453385088. Its totient is φ = 1210668000.

The previous prime is 1332002179. The next prime is 1332002249. The reversal of 1332002221 is 1222002331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332002195 and 1332002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332002251) 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 7 ways as a sum of consecutive naturals, for example, 68241 + ... + 85561.

It is an arithmetic number, because the mean of its divisors is an integer number (181673136).

Almost surely, 2^1332002221 is an apocalyptic number.

1332002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332002221 is a deficient number, since it is larger than the sum of its proper divisors (121382867).

1332002221 is a wasteful number, since it uses less digits than its factorization.

1332002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24323.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1332002221 is about 36496.6056092892. The cubic root of 1332002221 is about 1100.2760246703.

Adding to 1332002221 its reverse (1222002331), we get a palindrome (2554004552).

The spelling of 1332002221 in words is "one billion, three hundred thirty-two million, two thousand, two hundred twenty-one".