2215213055 has 16 divisors (see below), whose sum is σ = 2901878784. Its totient is φ = 1609973280.

The previous prime is 2215213037. The next prime is 2215213087. The reversal of 2215213055 is 5503125122.

It is not a de Polignac number, because 2215213055 - 2¹⁰ = 2215212031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73334 + ... + 99036.

It is an arithmetic number, because the mean of its divisors is an integer number (181367424).

Almost surely, 2^2215213055 is an apocalyptic number.

2215213055 is a deficient number, since it is larger than the sum of its proper divisors (686665729).

2215213055 is a wasteful number, since it uses less digits than its factorization.

2215213055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27286.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2215213055 is about 47066.0499192358. The cubic root of 2215213055 is about 1303.5824372745.

Adding to 2215213055 its reverse (5503125122), we get a palindrome (7718338177).

The spelling of 2215213055 in words is "two billion, two hundred fifteen million, two hundred thirteen thousand, fifty-five".