122221584 has 30 divisors (see below), whose sum is σ = 342051086. Its totient is φ = 40740480.

The previous prime is 122221579. The next prime is 122221597. The reversal of 122221584 is 485122221.

It can be written as a sum of positive squares in only one way, i.e., 112784400 + 9437184 = 10620^2 + 3072^2 .

It is a zygodrome in base 3.

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 5 ways as a sum of consecutive naturals, for example, 424237 + ... + 424524.

Almost surely, 2^122221584 is an apocalyptic number.

It is an amenable number.

122221584 is an abundant number, since it is smaller than the sum of its proper divisors (219829502).

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

122221584 is a wasteful number, since it uses less digits than its factorization.

122221584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848775 (or 848766 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 122221584 is about 11055.3871031276. The cubic root of 122221584 is about 496.2676538418.

The spelling of 122221584 in words is "one hundred twenty-two million, two hundred twenty-one thousand, five hundred eighty-four".