122210617 has 4 divisors (see below), whose sum is σ = 123583860. Its totient is φ = 120837376.

The previous prime is 122210579. The next prime is 122210629. The reversal of 122210617 is 716012221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 77105961 = 6716^2 + 8781^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210617 - 2¹⁹ = 121686329 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122210677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686488 + ... + 686665.

It is an arithmetic number, because the mean of its divisors is an integer number (30895965).

Almost surely, 2^122210617 is an apocalyptic number.

It is an amenable number.

122210617 is a deficient number, since it is larger than the sum of its proper divisors (1373243).

122210617 is an equidigital number, since it uses as much as digits as its factorization.

122210617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373242.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 122210617 is about 11054.8910894680. The cubic root of 122210617 is about 496.2528099548.

Adding to 122210617 its reverse (716012221), we get a palindrome (838222838).

The spelling of 122210617 in words is "one hundred twenty-two million, two hundred ten thousand, six hundred seventeen".