122242665 has 48 divisors (see below), whose sum is σ = 210253248. Its totient is φ = 60632064.

The previous prime is 122242651. The next prime is 122242667. The reversal of 122242665 is 566242221.

It is a happy number.

It is not a de Polignac number, because 122242665 - 2⁵ = 122242633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122242667) 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 47 ways as a sum of consecutive naturals, for example, 706519 + ... + 706691.

It is an arithmetic number, because the mean of its divisors is an integer number (4380276).

Almost surely, 2^122242665 is an apocalyptic number.

122242665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122242665 is a deficient number, since it is larger than the sum of its proper divisors (88010583).

122242665 is a wasteful number, since it uses less digits than its factorization.

122242665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 361 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 122242665 is about 11056.3404886065. The cubic root of 122242665 is about 496.2961845825.

Adding to 122242665 its reverse (566242221), we get a palindrome (688484886).

The spelling of 122242665 in words is "one hundred twenty-two million, two hundred forty-two thousand, six hundred sixty-five".