2216972911 has 12 divisors (see below), whose sum is σ = 2265819192. Its totient is φ = 2168862608.

The previous prime is 2216972893. The next prime is 2216972917. The reversal of 2216972911 is 1192796122.

It is a happy number.

It is not a de Polignac number, because 2216972911 - 2¹⁷ = 2216841839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216972917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949101 + ... + 951433.

It is an arithmetic number, because the mean of its divisors is an integer number (188818266).

Almost surely, 2^2216972911 is an apocalyptic number.

2216972911 is a deficient number, since it is larger than the sum of its proper divisors (48846281).

2216972911 is an equidigital number, since it uses as much as digits as its factorization.

2216972911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2523 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 2216972911 is about 47084.7418066617. The cubic root of 2216972911 is about 1303.9275523299.

The spelling of 2216972911 in words is "two billion, two hundred sixteen million, nine hundred seventy-two thousand, nine hundred eleven".