4227768555 has 16 divisors (see below), whose sum is σ = 6947253024. Its totient is φ = 2193868800.

The previous prime is 4227768551. The next prime is 4227768563. The reversal of 4227768555 is 5558677224.

It is not a de Polignac number, because 4227768555 - 2² = 4227768551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4227768498 and 4227768507.

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 15 ways as a sum of consecutive naturals, for example, 3808246 + ... + 3809355.

It is an arithmetic number, because the mean of its divisors is an integer number (434203314).

Almost surely, 2^4227768555 is an apocalyptic number.

4227768555 is a deficient number, since it is larger than the sum of its proper divisors (2719484469).

4227768555 is a wasteful number, since it uses less digits than its factorization.

4227768555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617646.

The product of its digits is 4704000, while the sum is 51.

The square root of 4227768555 is about 65021.2930892642. The cubic root of 4227768555 is about 1616.9765987903.

The spelling of 4227768555 in words is "four billion, two hundred twenty-seven million, seven hundred sixty-eight thousand, five hundred fifty-five".