122232656 has 120 divisors (see below), whose sum is σ = 302793120. Its totient is φ = 47367936.

The previous prime is 122232647. The next prime is 122232661. The reversal of 122232656 is 656232221.

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 23 ways as a sum of consecutive naturals, for example, 682775 + ... + 682953.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^122232656 is an apocalyptic number.

122232656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122232656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151396560).

122232656 is an abundant number, since it is smaller than the sum of its proper divisors (180560464).

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

122232656 is a wasteful number, since it uses less digits than its factorization.

122232656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 268 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 122232656 is about 11055.8878431359. The cubic root of 122232656 is about 496.2826389461.

Adding to 122232656 its reverse (656232221), we get a palindrome (778464877).

The spelling of 122232656 in words is "one hundred twenty-two million, two hundred thirty-two thousand, six hundred fifty-six".