2220134689 has 2 divisors, whose sum is σ = 2220134690. Its totient is φ = 2220134688.

The previous prime is 2220134681. The next prime is 2220134747. The reversal of 2220134689 is 9864310222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2125947664 + 94187025 = 46108^2 + 9705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220134689 - 2³ = 2220134681 is a prime.

It is a super-2 number, since 2×2220134689² = 9857996074602253442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220134681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110067344 + 1110067345.

It is an arithmetic number, because the mean of its divisors is an integer number (1110067345).

Almost surely, 2^2220134689 is an apocalyptic number.

It is an amenable number.

2220134689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220134689 is an equidigital number, since it uses as much as digits as its factorization.

2220134689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2220134689 is about 47118.3052432916. The cubic root of 2220134689 is about 1304.5471315583.

The spelling of 2220134689 in words is "two billion, two hundred twenty million, one hundred thirty-four thousand, six hundred eighty-nine".