1330022161 has 4 divisors (see below), whose sum is σ = 1432331572. Its totient is φ = 1227712752.

The previous prime is 1330022119. The next prime is 1330022179. The reversal of 1330022161 is 1612200331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175721536 + 1154300625 = 13256^2 + 33975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330022161 - 2¹⁷ = 1329891089 is a prime.

It is a super-2 number, since 2×1330022161² = 3537917897502219842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330022261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51154686 + ... + 51154711.

It is an arithmetic number, because the mean of its divisors is an integer number (358082893).

Almost surely, 2^1330022161 is an apocalyptic number.

It is an amenable number.

1330022161 is a deficient number, since it is larger than the sum of its proper divisors (102309411).

1330022161 is a wasteful number, since it uses less digits than its factorization.

1330022161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102309410.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1330022161 is about 36469.4688883729. The cubic root of 1330022161 is about 1099.7305568708.

Adding to 1330022161 its reverse (1612200331), we get a palindrome (2942222492).

The spelling of 1330022161 in words is "one billion, three hundred thirty million, twenty-two thousand, one hundred sixty-one".