2222159617 has 2 divisors, whose sum is σ = 2222159618. Its totient is φ = 2222159616.

The previous prime is 2222159609. The next prime is 2222159647. The reversal of 2222159617 is 7169512222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1992818881 + 229340736 = 44641^2 + 15144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222159617 - 2³ = 2222159609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222159647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111079808 + 1111079809.

It is an arithmetic number, because the mean of its divisors is an integer number (1111079809).

Almost surely, 2^2222159617 is an apocalyptic number.

It is an amenable number.

2222159617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222159617 is an equidigital number, since it uses as much as digits as its factorization.

2222159617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 2222159617 is about 47139.7880457687. The cubic root of 2222159617 is about 1304.9436257166.

It can be divided in two parts, 222 and 2159617, that multiplied together give a palindrome (479434974).

The spelling of 2222159617 in words is "two billion, two hundred twenty-two million, one hundred fifty-nine thousand, six hundred seventeen".