2185522006 has 16 divisors (see below), whose sum is σ = 3653814960. Its totient is φ = 974350080.

The previous prime is 2185521991. The next prime is 2185522013. The reversal of 2185522006 is 6002255812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690935 + ... + 1692226.

It is an arithmetic number, because the mean of its divisors is an integer number (228363435).

Almost surely, 2^2185522006 is an apocalyptic number.

2185522006 is a deficient number, since it is larger than the sum of its proper divisors (1468292954).

2185522006 is a wasteful number, since it uses less digits than its factorization.

2185522006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383199.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2185522006 is about 46749.5669070848. The cubic root of 2185522006 is about 1297.7321418659.

Adding to 2185522006 its reverse (6002255812), we get a palindrome (8187777818).

The spelling of 2185522006 in words is "two billion, one hundred eighty-five million, five hundred twenty-two thousand, six".