4227768556 has 72 divisors (see below), whose sum is σ = 8733197088. Its totient is φ = 1782950400.

The previous prime is 4227768551. The next prime is 4227768563. The reversal of 4227768556 is 6558677224.

It is not an unprimeable number, because it can be changed into a prime (4227768551) 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, 580570 + ... + 587806.

It is an arithmetic number, because the mean of its divisors is an integer number (121294404).

Almost surely, 2^4227768556 is an apocalyptic number.

It is an amenable number.

4227768556 is an abundant number, since it is smaller than the sum of its proper divisors (4505428532).

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

4227768556 is a wasteful number, since it uses less digits than its factorization.

4227768556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7338 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The square root of 4227768556 is about 65021.2930969540. The cubic root of 4227768556 is about 1616.9765989178.

The spelling of 4227768556 in words is "four billion, two hundred twenty-seven million, seven hundred sixty-eight thousand, five hundred fifty-six".