2215323133 has 4 divisors (see below), whose sum is σ = 2216294080. Its totient is φ = 2214352188.

The previous prime is 2215323113. The next prime is 2215323157. The reversal of 2215323133 is 3313235122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3313235122 = 2 ⋅1656617561.

It is a cyclic number.

It is not a de Polignac number, because 2215323133 - 2⁵ = 2215323101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215323098 and 2215323107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215323113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482043 + ... + 486616.

It is an arithmetic number, because the mean of its divisors is an integer number (554073520).

Almost surely, 2^2215323133 is an apocalyptic number.

It is an amenable number.

2215323133 is a deficient number, since it is larger than the sum of its proper divisors (970947).

2215323133 is an equidigital number, since it uses as much as digits as its factorization.

2215323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970946.

The product of its digits is 3240, while the sum is 25.

The square root of 2215323133 is about 47067.2193038849. The cubic root of 2215323133 is about 1303.6040293844.

Adding to 2215323133 its reverse (3313235122), we get a palindrome (5528558255).

The spelling of 2215323133 in words is "two billion, two hundred fifteen million, three hundred twenty-three thousand, one hundred thirty-three".