122210605 has 12 divisors (see below), whose sum is σ = 161197596. Its totient is φ = 88880000.

The previous prime is 122210579. The next prime is 122210629. The reversal of 122210605 is 506012221.

It can be written as a sum of positive squares in 2 ways, for example, as 93276964 + 28933641 = 9658^2 + 5379^2 .

It is not a de Polignac number, because 122210605 - 2⁵ = 122210573 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100396 + ... + 101605.

It is an arithmetic number, because the mean of its divisors is an integer number (13433133).

Almost surely, 2^122210605 is an apocalyptic number.

It is an amenable number.

122210605 is a deficient number, since it is larger than the sum of its proper divisors (38986991).

122210605 is a wasteful number, since it uses less digits than its factorization.

122210605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202028 (or 202017 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122210605 is about 11054.8905467218. The cubic root of 122210605 is about 496.2527937122.

Adding to 122210605 its reverse (506012221), we get a palindrome (628222826).

The spelling of 122210605 in words is "one hundred twenty-two million, two hundred ten thousand, six hundred five".