13224330436 has 6 divisors (see below), whose sum is σ = 23142578270. Its totient is φ = 6612165216.

The previous prime is 13224330433. The next prime is 13224330461. The reversal of 13224330436 is 63403342231.

It can be written as a sum of positive squares in only one way, i.e., 9976014400 + 3248316036 = 99880^2 + 56994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13224330398 and 13224330407.

It is not an unprimeable number, because it can be changed into a prime (13224330433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653041301 + ... + 1653041308.

Almost surely, 2^13224330436 is an apocalyptic number.

It is an amenable number.

13224330436 is a deficient number, since it is larger than the sum of its proper divisors (9918247834).

13224330436 is a wasteful number, since it uses less digits than its factorization.

13224330436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306082613 (or 3306082611 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 13224330436 its reverse (63403342231), we get a palindrome (76627672667).

The spelling of 13224330436 in words is "thirteen billion, two hundred twenty-four million, three hundred thirty thousand, four hundred thirty-six".