4222222129 has 2 divisors, whose sum is σ = 4222222130. Its totient is φ = 4222222128.

The previous prime is 4222222127. The next prime is 4222222163. The reversal of 4222222129 is 9212222224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4222010529 + 211600 = 64977^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222222129 - 2¹ = 4222222127 is a prime.

Together with 4222222127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4222222097 and 4222222106.

It is not a weakly prime, because it can be changed into another prime (4222222127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111111064 + 2111111065.

It is an arithmetic number, because the mean of its divisors is an integer number (2111111065).

Almost surely, 2^4222222129 is an apocalyptic number.

It is an amenable number.

4222222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222222129 is an equidigital number, since it uses as much as digits as its factorization.

4222222129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 4222222129 is about 64978.6282480632. The cubic root of 4222222129 is about 1616.2691833848.

The spelling of 4222222129 in words is "four billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-nine".