122217299 has 2 divisors, whose sum is σ = 122217300. Its totient is φ = 122217298.

The previous prime is 122217287. The next prime is 122217317. The reversal of 122217299 is 992712221.

It is a weak prime.

It is an emirp because it is prime and its reverse (992712221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122217299 is a prime.

It is a Chen prime.

It is equal to p_6960707 and since 122217299 and 6960707 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (122217259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61108649 + 61108650.

It is an arithmetic number, because the mean of its divisors is an integer number (61108650).

Almost surely, 2^122217299 is an apocalyptic number.

122217299 is a deficient number, since it is larger than the sum of its proper divisors (1).

122217299 is an equidigital number, since it uses as much as digits as its factorization.

122217299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 122217299 is about 11055.1933045063. The cubic root of 122217299 is about 496.2618541795.

The spelling of 122217299 in words is "one hundred twenty-two million, two hundred seventeen thousand, two hundred ninety-nine".