1332522661 has 8 divisors (see below), whose sum is σ = 1358209944. Its totient is φ = 1306855680.

The previous prime is 1332522647. The next prime is 1332522701. The reversal of 1332522661 is 1662252331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 882446436 + 450076225 = 29706^2 + 21215^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1332522661 - 2¹¹ = 1332520613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332522161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233401 + ... + 239041.

It is an arithmetic number, because the mean of its divisors is an integer number (169776243).

Almost surely, 2^1332522661 is an apocalyptic number.

It is an amenable number.

1332522661 is a deficient number, since it is larger than the sum of its proper divisors (25687283).

1332522661 is an equidigital number, since it uses as much as digits as its factorization.

1332522661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151.

The product of its digits is 12960, while the sum is 31.

The square root of 1332522661 is about 36503.7348911040. The cubic root of 1332522661 is about 1100.4193059858.

Adding to 1332522661 its reverse (1662252331), we get a palindrome (2994774992).

The spelling of 1332522661 in words is "one billion, three hundred thirty-two million, five hundred twenty-two thousand, six hundred sixty-one".