2243155555 has 32 divisors (see below), whose sum is σ = 2775971520. Its totient is φ = 1739612160.

The previous prime is 2243155547. The next prime is 2243155571. The reversal of 2243155555 is 5555513422.

It is not a de Polignac number, because 2243155555 - 2³ = 2243155547 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6776740 + ... + 6777070.

It is an arithmetic number, because the mean of its divisors is an integer number (86749110).

Almost surely, 2^2243155555 is an apocalyptic number.

2243155555 is a deficient number, since it is larger than the sum of its proper divisors (532815965).

2243155555 is a wasteful number, since it uses less digits than its factorization.

2243155555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 150000, while the sum is 37.

The square root of 2243155555 is about 47361.9631666594. The cubic root of 2243155555 is about 1309.0406423169.

Adding to 2243155555 its reverse (5555513422), we get a palindrome (7798668977).

The spelling of 2243155555 in words is "two billion, two hundred forty-three million, one hundred fifty-five thousand, five hundred fifty-five".