1416172217 has 2 divisors, whose sum is σ = 1416172218. Its totient is φ = 1416172216.

The previous prime is 1416172189. The next prime is 1416172223. The reversal of 1416172217 is 7122716141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415565376 + 606841 = 37624^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416172217 - 2¹⁰ = 1416171193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1416172237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708086108 + 708086109.

It is an arithmetic number, because the mean of its divisors is an integer number (708086109).

Almost surely, 2^1416172217 is an apocalyptic number.

It is an amenable number.

1416172217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416172217 is an equidigital number, since it uses as much as digits as its factorization.

1416172217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 32.

The square root of 1416172217 is about 37632.0636824504. The cubic root of 1416172217 is about 1122.9800043329.

Adding to 1416172217 its reverse (7122716141), we get a palindrome (8538888358).

The spelling of 1416172217 in words is "one billion, four hundred sixteen million, one hundred seventy-two thousand, two hundred seventeen".