2205186256 has 40 divisors (see below), whose sum is σ = 5258524544. Its totient is φ = 872380800.

The previous prime is 2205186253. The next prime is 2205186257. The reversal of 2205186256 is 6526815022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205186253) by changing a digit.

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, 755820 + ... + 758731.

Almost surely, 2^2205186256 is an apocalyptic number.

2205186256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2205186256 is an abundant number, since it is smaller than the sum of its proper divisors (3053338288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205186256 is a wasteful number, since it uses less digits than its factorization.

2205186256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514579 (or 1514573 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 2205186256 is about 46959.4107288411. The cubic root of 2205186256 is about 1301.6126448471.

The spelling of 2205186256 in words is "two billion, two hundred five million, one hundred eighty-six thousand, two hundred fifty-six".