2571228215 has 8 divisors (see below), whose sum is σ = 3157229328. Its totient is φ = 2009145600.

The previous prime is 2571228211. The next prime is 2571228221. The reversal of 2571228215 is 5128221752.

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

It is not a de Polignac number, because 2571228215 - 2² = 2571228211 is a prime.

It is a super-2 number, since 2×2571228215² = 13222429067224172450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571228211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979386 + ... + 5979815.

It is an arithmetic number, because the mean of its divisors is an integer number (394653666).

Almost surely, 2^2571228215 is an apocalyptic number.

2571228215 is a deficient number, since it is larger than the sum of its proper divisors (586001113).

2571228215 is a wasteful number, since it uses less digits than its factorization.

2571228215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959249.

The product of its digits is 22400, while the sum is 35.

The square root of 2571228215 is about 50707.2797042003. The cubic root of 2571228215 is about 1369.9778380985.

Adding to 2571228215 its reverse (5128221752), we get a palindrome (7699449967).

The spelling of 2571228215 in words is "two billion, five hundred seventy-one million, two hundred twenty-eight thousand, two hundred fifteen".