2205927845 has 16 divisors (see below), whose sum is σ = 2949205248. Its totient is φ = 1570175040.

The previous prime is 2205927839. The next prime is 2205927847. The reversal of 2205927845 is 5487295022.

It is not a de Polignac number, because 2205927845 - 2⁸ = 2205927589 is a prime.

It is a super-2 number, since 2×2205927845² = 9732235314692688050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2205927796 and 2205927805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205927847) 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, 424094 + ... + 429263.

It is an arithmetic number, because the mean of its divisors is an integer number (184325328).

Almost surely, 2^2205927845 is an apocalyptic number.

It is an amenable number.

2205927845 is a deficient number, since it is larger than the sum of its proper divisors (743277403).

2205927845 is a wasteful number, since it uses less digits than its factorization.

2205927845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853420.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2205927845 is about 46967.3061288382. The cubic root of 2205927845 is about 1301.7585362933.

The spelling of 2205927845 in words is "two billion, two hundred five million, nine hundred twenty-seven thousand, eight hundred forty-five".