2205649529 has 16 divisors (see below), whose sum is σ = 2276479296. Its totient is φ = 2136196800.

The previous prime is 2205649493. The next prime is 2205649543. The reversal of 2205649529 is 9259465022.

It is a cyclic number.

It is not a de Polignac number, because 2205649529 - 2⁸ = 2205649273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2205649529.

It is not an unprimeable number, because it can be changed into a prime (2205649559) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1180454 + ... + 1182320.

It is an arithmetic number, because the mean of its divisors is an integer number (142279956).

Almost surely, 2^2205649529 is an apocalyptic number.

It is an amenable number.

2205649529 is a deficient number, since it is larger than the sum of its proper divisors (70829767).

2205649529 is a wasteful number, since it uses less digits than its factorization.

2205649529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 2205649529 is about 46964.3431658530. The cubic root of 2205649529 is about 1301.7037875297.

The spelling of 2205649529 in words is "two billion, two hundred five million, six hundred forty-nine thousand, five hundred twenty-nine".