2205456543 has 24 divisors (see below), whose sum is σ = 3269185920. Its totient is φ = 1431882240.

The previous prime is 2205456479. The next prime is 2205456553. The reversal of 2205456543 is 3456545022.

2205456543 is a `hidden beast` number, since 2 + 2 + 0 + 54 + 565 + 43 = 666.

2205456543 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2205456543 - 2⁶ = 2205456479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205456498 and 2205456507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205456553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213778 + ... + 223856.

It is an arithmetic number, because the mean of its divisors is an integer number (136216080).

Almost surely, 2^2205456543 is an apocalyptic number.

2205456543 is a deficient number, since it is larger than the sum of its proper divisors (1063729377).

2205456543 is a wasteful number, since it uses less digits than its factorization.

2205456543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10716 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 2205456543 is about 46962.2885196197. The cubic root of 2205456543 is about 1301.6658217013.

The spelling of 2205456543 in words is "two billion, two hundred five million, four hundred fifty-six thousand, five hundred forty-three".