2199659555 has 8 divisors (see below), whose sum is σ = 2643460272. Its totient is φ = 1757148448.

The previous prime is 2199659551. The next prime is 2199659557. The reversal of 2199659555 is 5559569912.

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 2199659555 - 2² = 2199659551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2199659555.

It is not an unprimeable number, because it can be changed into a prime (2199659551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318644 + ... + 325473.

It is an arithmetic number, because the mean of its divisors is an integer number (330432534).

Almost surely, 2^2199659555 is an apocalyptic number.

2199659555 is a deficient number, since it is larger than the sum of its proper divisors (443800717).

2199659555 is an equidigital number, since it uses as much as digits as its factorization.

2199659555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644805.

The product of its digits is 5467500, while the sum is 56.

The square root of 2199659555 is about 46900.5283019285. The cubic root of 2199659555 is about 1300.5243555337.

The spelling of 2199659555 in words is "two billion, one hundred ninety-nine million, six hundred fifty-nine thousand, five hundred fifty-five".