122255568 has 200 divisors, whose sum is σ = 388903680. Its totient is φ = 36910080.

The previous prime is 122255533. The next prime is 122255569. The reversal of 122255568 is 865552221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122255569) 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 39 ways as a sum of consecutive naturals, for example, 682903 + ... + 683081.

Almost surely, 2^122255568 is an apocalyptic number.

122255568 is a gapful number since it is divisible by the number (18) 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 122255568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194451840).

122255568 is an abundant number, since it is smaller than the sum of its proper divisors (266648112).

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

122255568 is a wasteful number, since it uses less digits than its factorization.

122255568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 232 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 122255568 is about 11056.9239845447. The cubic root of 122255568 is about 496.3136457103.

The spelling of 122255568 in words is "one hundred twenty-two million, two hundred fifty-five thousand, five hundred sixty-eight".