2005522345 has 8 divisors (see below), whose sum is σ = 2407371840. Its totient is φ = 1603921200.

The previous prime is 2005522327. The next prime is 2005522349. The reversal of 2005522345 is 5432255002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005522345 - 2¹³ = 2005514153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005522349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43831 + ... + 77020.

It is an arithmetic number, because the mean of its divisors is an integer number (300921480).

Almost surely, 2^2005522345 is an apocalyptic number.

It is an amenable number.

2005522345 is a deficient number, since it is larger than the sum of its proper divisors (401849495).

2005522345 is a wasteful number, since it uses less digits than its factorization.

2005522345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124175.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2005522345 is about 44783.0586829439. The cubic root of 2005522345 is about 1261.0796040107.

Adding to 2005522345 its reverse (5432255002), we get a palindrome (7437777347).

The spelling of 2005522345 in words is "two billion, five million, five hundred twenty-two thousand, three hundred forty-five".