3199599225 has 63 divisors (see below), whose sum is σ = 5962764223. Its totient is φ = 1702380240.

The previous prime is 3199599211. The next prime is 3199599233. The reversal of 3199599225 is 5229959913.

It is a happy number.

The square root of 3199599225 is 56565.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1151855721 + 2047743504 = 33939^2 + 45252^2 .

It is not a de Polignac number, because 3199599225 - 2¹³ = 3199591033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 7636066 + ... + 7636484.

Almost surely, 2^3199599225 is an apocalyptic number.

3199599225 is the 56565-th square number.

3199599225 is the 28283-rd centered octagonal number.

It is an amenable number.

3199599225 is a deficient number, since it is larger than the sum of its proper divisors (2763164998).

3199599225 is an frugal number, since it uses more digits than its factorization.

3199599225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 427 counting only the distinct ones).

The product of its digits is 1968300, while the sum is 54.

The cubic root of 3199599225 is about 1473.5510773992.

The spelling of 3199599225 in words is "three billion, one hundred ninety-nine million, five hundred ninety-nine thousand, two hundred twenty-five".