1332221489 has 2 divisors, whose sum is σ = 1332221490. Its totient is φ = 1332221488.

The previous prime is 1332221441. The next prime is 1332221521. The reversal of 1332221489 is 9841222331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289384464 + 42837025 = 35908^2 + 6545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332221489 is a prime.

It is a super-3 number, since 3×1332221489³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1332221389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666110744 + 666110745.

It is an arithmetic number, because the mean of its divisors is an integer number (666110745).

Almost surely, 2^1332221489 is an apocalyptic number.

It is an amenable number.

1332221489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332221489 is an equidigital number, since it uses as much as digits as its factorization.

1332221489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 1332221489 is about 36499.6094362666. The cubic root of 1332221489 is about 1100.3363954622.

The spelling of 1332221489 in words is "one billion, three hundred thirty-two million, two hundred twenty-one thousand, four hundred eighty-nine".