1330229997 has 12 divisors (see below), whose sum is σ = 1932061404. Its totient is φ = 881919360.

The previous prime is 1330229969. The next prime is 1330230007. The reversal of 1330229997 is 7999220331.

It is a happy number.

1330229997 is a `hidden beast` number, since 1 + 330 + 229 + 9 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 347971716 + 982258281 = 18654^2 + 31341^2 .

It is not a de Polignac number, because 1330229997 - 2⁷ = 1330229869 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330229947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406668 + ... + 409925.

It is an arithmetic number, because the mean of its divisors is an integer number (161005117).

Almost surely, 2^1330229997 is an apocalyptic number.

It is an amenable number.

1330229997 is a deficient number, since it is larger than the sum of its proper divisors (601831407).

1330229997 is a wasteful number, since it uses less digits than its factorization.

1330229997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816780 (or 816777 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 1330229997 is about 36472.3182290350. The cubic root of 1330229997 is about 1099.7878370430.

The spelling of 1330229997 in words is "one billion, three hundred thirty million, two hundred twenty-nine thousand, nine hundred ninety-seven".