130221332 has 12 divisors (see below), whose sum is σ = 228045300. Its totient is φ = 65065536.

The previous prime is 130221277. The next prime is 130221341. The reversal of 130221332 is 233122031.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 116942596 = 3644^2 + 10814^2 .

It is a super-3 number, since 3×130221332³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130221332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4313 + ... + 16704.

It is an arithmetic number, because the mean of its divisors is an integer number (19003775).

Almost surely, 2^130221332 is an apocalyptic number.

It is an amenable number.

130221332 is a deficient number, since it is larger than the sum of its proper divisors (97823968).

130221332 is a wasteful number, since it uses less digits than its factorization.

130221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22570 (or 22568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130221332 is about 11411.4561735127. The cubic root of 130221332 is about 506.8670319800.

Adding to 130221332 its reverse (233122031), we get a palindrome (363343363).

The spelling of 130221332 in words is "one hundred thirty million, two hundred twenty-one thousand, three hundred thirty-two".