2216903055 has 64 divisors (see below), whose sum is σ = 3713402880. Its totient is φ = 1128508416.

The previous prime is 2216903041. The next prime is 2216903069. The reversal of 2216903055 is 5503096122.

It is a Cunningham number, because it is equal to 47084²-1.

It is an interprime number because it is at equal distance from previous prime (2216903041) and next prime (2216903069).

It is not a de Polignac number, because 2216903055 - 2⁶ = 2216902991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9275626 + ... + 9275864.

It is an arithmetic number, because the mean of its divisors is an integer number (58021920).

Almost surely, 2^2216903055 is an apocalyptic number.

2216903055 is a deficient number, since it is larger than the sum of its proper divisors (1496499825).

2216903055 is a wasteful number, since it uses less digits than its factorization.

2216903055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 2216903055 is about 47083.9999893807. Note that the first 4 decimals coincide. The cubic root of 2216903055 is about 1303.9138567604.

Adding to 2216903055 its reverse (5503096122), we get a palindrome (7719999177).

The spelling of 2216903055 in words is "two billion, two hundred sixteen million, nine hundred three thousand, fifty-five".