5207222785 has 4 divisors (see below), whose sum is σ = 6248667348. Its totient is φ = 4165778224.

The previous prime is 5207222759. The next prime is 5207222809. The reversal of 5207222785 is 5872227025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1815441664 + 3391781121 = 42608^2 + 58239^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207222785 - 2¹¹ = 5207220737 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 520722274 + ... + 520722283.

It is an arithmetic number, because the mean of its divisors is an integer number (1562166837).

Almost surely, 2^5207222785 is an apocalyptic number.

It is an amenable number.

5207222785 is a deficient number, since it is larger than the sum of its proper divisors (1041444563).

5207222785 is a wasteful number, since it uses less digits than its factorization.

5207222785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041444562.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 5207222785 is about 72161.0891339647. The cubic root of 5207222785 is about 1733.2799753257.

The spelling of 5207222785 in words is "five billion, two hundred seven million, two hundred twenty-two thousand, seven hundred eighty-five".