4228165157 has 2 divisors, whose sum is σ = 4228165158. Its totient is φ = 4228165156.

The previous prime is 4228165129. The next prime is 4228165169. The reversal of 4228165157 is 7515618224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3697369636 + 530795521 = 60806^2 + 23039^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228165157 - 2²² = 4223970853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4228165127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114082578 + 2114082579.

It is an arithmetic number, because the mean of its divisors is an integer number (2114082579).

Almost surely, 2^4228165157 is an apocalyptic number.

It is an amenable number.

4228165157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228165157 is an equidigital number, since it uses as much as digits as its factorization.

4228165157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 4228165157 is about 65024.3428032918. The cubic root of 4228165157 is about 1617.0271594342.

The spelling of 4228165157 in words is "four billion, two hundred twenty-eight million, one hundred sixty-five thousand, one hundred fifty-seven".