13252221002 has 16 divisors (see below), whose sum is σ = 20845493640. Its totient is φ = 6309983232.

The previous prime is 13252221001. The next prime is 13252221013. The reversal of 13252221002 is 20012225231.

It can be written as a sum of positive squares in 4 ways, for example, as 8744307121 + 4507913881 = 93511^2 + 67141^2 .

It is a super-2 number, since 2×13252221002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13252221001) 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, 1560743 + ... + 1569210.

Almost surely, 2^13252221002 is an apocalyptic number.

13252221002 is a deficient number, since it is larger than the sum of its proper divisors (7593272638).

13252221002 is a wasteful number, since it uses less digits than its factorization.

13252221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130057.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 13252221002 its reverse (20012225231), we get a palindrome (33264446233).

The spelling of 13252221002 in words is "thirteen billion, two hundred fifty-two million, two hundred twenty-one thousand, two".