2220554555 has 8 divisors (see below), whose sum is σ = 2692136832. Its totient is φ = 1758129408.

The previous prime is 2220554551. The next prime is 2220554591. The reversal of 2220554555 is 5554550222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220554555 - 2² = 2220554551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220554551) 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 7 ways as a sum of consecutive naturals, for example, 2288747 + ... + 2289716.

It is an arithmetic number, because the mean of its divisors is an integer number (336517104).

Almost surely, 2^2220554555 is an apocalyptic number.

2220554555 is a deficient number, since it is larger than the sum of its proper divisors (471582277).

2220554555 is an equidigital number, since it uses as much as digits as its factorization.

2220554555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578565.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 2220554555 is about 47122.7604772895. The cubic root of 2220554555 is about 1304.6293638756.

The spelling of 2220554555 in words is "two billion, two hundred twenty million, five hundred fifty-four thousand, five hundred fifty-five".