2215163133 has 10 divisors (see below), whose sum is σ = 3309070974. Its totient is φ = 1476775368.

The previous prime is 2215163131. The next prime is 2215163149. The reversal of 2215163133 is 3313615122.

2215163133 is a `hidden beast` number, since 2 + 21 + 5 + 1 + 631 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1246584249 + 968578884 = 35307^2 + 31122^2 .

It is not a de Polignac number, because 2215163133 - 2¹ = 2215163131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2215163097 and 2215163106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215163131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13673766 + ... + 13673927.

It is a self-describing number.

Almost surely, 2^2215163133 is an apocalyptic number.

It is an amenable number.

2215163133 is a deficient number, since it is larger than the sum of its proper divisors (1093907841).

2215163133 is an equidigital number, since it uses as much as digits as its factorization.

2215163133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27347705 (or 27347696 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2215163133 is about 47065.5195764373. The cubic root of 2215163133 is about 1303.5726446978.

Adding to 2215163133 its reverse (3313615122), we get a palindrome (5528778255).

The spelling of 2215163133 in words is "two billion, two hundred fifteen million, one hundred sixty-three thousand, one hundred thirty-three".