2216311033 has 2 divisors, whose sum is σ = 2216311034. Its totient is φ = 2216311032.

The previous prime is 2216311021. The next prime is 2216311037. The reversal of 2216311033 is 3301136122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1793268409 + 423042624 = 42347^2 + 20568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216311033 - 2⁵ = 2216311001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2216310995 and 2216311013.

It is not a weakly prime, because it can be changed into another prime (2216311037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108155516 + 1108155517.

It is an arithmetic number, because the mean of its divisors is an integer number (1108155517).

It is a self-describing number.

Almost surely, 2^2216311033 is an apocalyptic number.

It is an amenable number.

2216311033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216311033 is an equidigital number, since it uses as much as digits as its factorization.

2216311033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2216311033 is about 47077.7126993230. The cubic root of 2216311033 is about 1303.7977767460.

Adding to 2216311033 its reverse (3301136122), we get a palindrome (5517447155).

The spelling of 2216311033 in words is "two billion, two hundred sixteen million, three hundred eleven thousand, thirty-three".