2216622569 has 16 divisors (see below), whose sum is σ = 2625100800. Its totient is φ = 1831322304.

The previous prime is 2216622559. The next prime is 2216622587. The reversal of 2216622569 is 9652266122.

It is a de Polignac number, because none of the positive numbers 2^k-2216622569 is a prime.

It is a super-2 number, since 2×2216622569² = 9826831226800319522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2216622509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114227 + ... + 132215.

It is an arithmetic number, because the mean of its divisors is an integer number (164068800).

Almost surely, 2^2216622569 is an apocalyptic number.

2216622569 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2216622569 is a deficient number, since it is larger than the sum of its proper divisors (408478231).

2216622569 is a wasteful number, since it uses less digits than its factorization.

2216622569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18632.

The product of its digits is 155520, while the sum is 41.

The square root of 2216622569 is about 47081.0213249458. The cubic root of 2216622569 is about 1303.8588633757.

The spelling of 2216622569 in words is "two billion, two hundred sixteen million, six hundred twenty-two thousand, five hundred sixty-nine".