2212422165 has 12 divisors (see below), whose sum is σ = 3834865164. Its totient is φ = 1179958464.

The previous prime is 2212422161. The next prime is 2212422221. The reversal of 2212422165 is 5612242122.

2212422165 is a `hidden beast` number, since 221 + 2 + 422 + 16 + 5 = 666.

2212422165 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1743396516 + 469025649 = 41754^2 + 21657^2 .

It is not a de Polignac number, because 2212422165 - 2² = 2212422161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212422161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24582424 + ... + 24582513.

It is an arithmetic number, because the mean of its divisors is an integer number (319572097).

Almost surely, 2^2212422165 is an apocalyptic number.

It is an amenable number.

2212422165 is a deficient number, since it is larger than the sum of its proper divisors (1622442999).

2212422165 is a wasteful number, since it uses less digits than its factorization.

2212422165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49164948 (or 49164945 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2212422165 is about 47036.3919215749. The cubic root of 2212422165 is about 1303.0347572033.

Adding to 2212422165 its reverse (5612242122), we get a palindrome (7824664287).

The spelling of 2212422165 in words is "two billion, two hundred twelve million, four hundred twenty-two thousand, one hundred sixty-five".