4220655771 has 16 divisors (see below), whose sum is σ = 5691076128. Its totient is φ = 2782080000.

The previous prime is 4220655757. The next prime is 4220655827. The reversal of 4220655771 is 1775560224.

It is not a de Polignac number, because 4220655771 - 2⁶ = 4220655707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220650771) 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, 220171 + ... + 238571.

It is an arithmetic number, because the mean of its divisors is an integer number (355692258).

Almost surely, 2^4220655771 is an apocalyptic number.

4220655771 is a deficient number, since it is larger than the sum of its proper divisors (1470420357).

4220655771 is a wasteful number, since it uses less digits than its factorization.

4220655771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19262.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 4220655771 is about 64966.5742593836. The cubic root of 4220655771 is about 1616.0692910677.

The spelling of 4220655771 in words is "four billion, two hundred twenty million, six hundred fifty-five thousand, seven hundred seventy-one".