3613224500 has 48 divisors (see below), whose sum is σ = 7969525200. Its totient is φ = 1430960000.

The previous prime is 3613224497. The next prime is 3613224599. The reversal of 3613224500 is 54223163.

It can be written as a sum of positive squares in 8 ways, for example, as 948393616 + 2664830884 = 30796^2 + 51622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3613224500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14726 + ... + 86274.

It is an arithmetic number, because the mean of its divisors is an integer number (166031775).

Almost surely, 2^3613224500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3613224500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3984762600).

3613224500 is an abundant number, since it is smaller than the sum of its proper divisors (4356300700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3613224500 is a wasteful number, since it uses less digits than its factorization.

3613224500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71669 (or 71657 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3613224500 is about 60110.1031441471. The cubic root of 3613224500 is about 1534.4932491001.

Adding to 3613224500 its reverse (54223163), we get a palindrome (3667447663).

The spelling of 3613224500 in words is "three billion, six hundred thirteen million, two hundred twenty-four thousand, five hundred".