2220705855 has 32 divisors (see below), whose sum is σ = 3958595520. Its totient is φ = 1181174400.

The previous prime is 2220705829. The next prime is 2220705881. The reversal of 2220705855 is 5585070222.

2220705855 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 70 + 585 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2220705829) and next prime (2220705881).

It is not a de Polignac number, because 2220705855 - 2⁷ = 2220705727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28305 + ... + 72405.

It is an arithmetic number, because the mean of its divisors is an integer number (123706110).

Almost surely, 2^2220705855 is an apocalyptic number.

2220705855 is a deficient number, since it is larger than the sum of its proper divisors (1737889665).

2220705855 is a wasteful number, since it uses less digits than its factorization.

2220705855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44488 (or 44482 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 2220705855 is about 47124.3658312767. The cubic root of 2220705855 is about 1304.6589940025.

The spelling of 2220705855 in words is "two billion, two hundred twenty million, seven hundred five thousand, eight hundred fifty-five".