122255424 has 84 divisors (see below), whose sum is σ = 368899440. Its totient is φ = 38603520.

The previous prime is 122255383. The next prime is 122255447. The reversal of 122255424 is 424552221.

122255424 is a `hidden beast` number, since 12 + 225 + 5 + 424 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5359 + ... + 16529.

It is an arithmetic number, because the mean of its divisors is an integer number (4391660).

Almost surely, 2^122255424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122255424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184449720).

122255424 is an abundant number, since it is smaller than the sum of its proper divisors (246644016).

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

122255424 is a wasteful number, since it uses less digits than its factorization.

122255424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208 (or 11195 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 122255424 is about 11056.9174727860. The cubic root of 122255424 is about 496.3134508475.

The spelling of 122255424 in words is "one hundred twenty-two million, two hundred fifty-five thousand, four hundred twenty-four".