2216021269 has 16 divisors (see below), whose sum is σ = 2774318976. Its totient is φ = 1719590400.

The previous prime is 2216021251. The next prime is 2216021287. The reversal of 2216021269 is 9621206122.

It is an interprime number because it is at equal distance from previous prime (2216021251) and next prime (2216021287).

It is not a de Polignac number, because 2216021269 - 2⁹ = 2216020757 is a prime.

It is a super-2 number, since 2×2216021269² = 9821500529320740722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2216021269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216021369) 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 15 ways as a sum of consecutive naturals, for example, 41152 + ... + 78265.

It is an arithmetic number, because the mean of its divisors is an integer number (173394936).

Almost surely, 2^2216021269 is an apocalyptic number.

It is an amenable number.

2216021269 is a deficient number, since it is larger than the sum of its proper divisors (558297707).

2216021269 is a wasteful number, since it uses less digits than its factorization.

2216021269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119676.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2216021269 is about 47074.6350915225. The cubic root of 2216021269 is about 1303.7409540770.

The spelling of 2216021269 in words is "two billion, two hundred sixteen million, twenty-one thousand, two hundred sixty-nine".