122244678 has 24 divisors (see below), whose sum is σ = 276380208. Its totient is φ = 38976432.

The previous prime is 122244667. The next prime is 122244691. The reversal of 122244678 is 876442221.

It is a super-2 number, since 2×122244678² = 29887522598647368, which contains 22 as substring.

It is a plaindrome in base 10.

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, 147225 + ... + 148052.

It is an arithmetic number, because the mean of its divisors is an integer number (11515842).

Almost surely, 2^122244678 is an apocalyptic number.

122244678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122244678 is an abundant number, since it is smaller than the sum of its proper divisors (154135530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122244678 is a wasteful number, since it uses less digits than its factorization.

122244678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295308 (or 295305 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 122244678 is about 11056.4315219695. The cubic root of 122244678 is about 496.2989087780.

Adding to 122244678 its reverse (876442221), we get a palindrome (998686899).

The spelling of 122244678 in words is "one hundred twenty-two million, two hundred forty-four thousand, six hundred seventy-eight".