4122112217 has 2 divisors, whose sum is σ = 4122112218. Its totient is φ = 4122112216.

The previous prime is 4122112201. The next prime is 4122112237. The reversal of 4122112217 is 7122112214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2649778576 + 1472333641 = 51476^2 + 38371^2 .

It is a cyclic number.

It is not a de Polignac number, because 4122112217 - 2⁴ = 4122112201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4122112192 and 4122112201.

It is not a weakly prime, because it can be changed into another prime (4122112237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061056108 + 2061056109.

It is an arithmetic number, because the mean of its divisors is an integer number (2061056109).

Almost surely, 2^4122112217 is an apocalyptic number.

It is an amenable number.

4122112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122112217 is an equidigital number, since it uses as much as digits as its factorization.

4122112217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 4122112217 is about 64203.6775971595. The cubic root of 4122112217 is about 1603.3928286161.

The spelling of 4122112217 in words is "four billion, one hundred twenty-two million, one hundred twelve thousand, two hundred seventeen".