122244646 has 4 divisors (see below), whose sum is σ = 183366972. Its totient is φ = 61122322.

The previous prime is 122244631. The next prime is 122244653. The reversal of 122244646 is 646442221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646442221 = 17 ⋅38026013.

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 as a sum of consecutive naturals, namely, 30561160 + ... + 30561163.

It is an arithmetic number, because the mean of its divisors is an integer number (45841743).

Almost surely, 2^122244646 is an apocalyptic number.

122244646 is a deficient number, since it is larger than the sum of its proper divisors (61122326).

122244646 is an equidigital number, since it uses as much as digits as its factorization.

122244646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61122325.

The product of its digits is 18432, while the sum is 31.

The square root of 122244646 is about 11056.4300748478. The cubic root of 122244646 is about 496.2988654726.

Adding to 122244646 its reverse (646442221), we get a palindrome (768686867).

The spelling of 122244646 in words is "one hundred twenty-two million, two hundred forty-four thousand, six hundred forty-six".