2216227669 has 2 divisors, whose sum is σ = 2216227670. Its totient is φ = 2216227668.

The previous prime is 2216227649. The next prime is 2216227687. The reversal of 2216227669 is 9667226122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1248208900 + 968018769 = 35330^2 + 31113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216227669 - 2²¹ = 2214130517 is a prime.

It is a super-2 number, since 2×2216227669² = 9823330161682347122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216227609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108113834 + 1108113835.

It is an arithmetic number, because the mean of its divisors is an integer number (1108113835).

Almost surely, 2^2216227669 is an apocalyptic number.

It is an amenable number.

2216227669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216227669 is an equidigital number, since it uses as much as digits as its factorization.

2216227669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 2216227669 is about 47076.8273038870. The cubic root of 2216227669 is about 1303.7814295879.

The spelling of 2216227669 in words is "two billion, two hundred sixteen million, two hundred twenty-seven thousand, six hundred sixty-nine".