122227657552 has 320 divisors, whose sum is σ = 342518077440. Its totient is φ = 40671590400.

The previous prime is 122227657483. The next prime is 122227657579. The reversal of 122227657552 is 255756722221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13080402 + ... + 13089742.

It is an arithmetic number, because the mean of its divisors is an integer number (1070368992).

Almost surely, 2^122227657552 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 122227657552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171259038720).

122227657552 is an abundant number, since it is smaller than the sum of its proper divisors (220290419888).

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

122227657552 is a wasteful number, since it uses less digits than its factorization.

122227657552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442 (or 9436 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 46.

The spelling of 122227657552 in words is "one hundred twenty-two billion, two hundred twenty-seven million, six hundred fifty-seven thousand, five hundred fifty-two".