122557422260 has 192 divisors, whose sum is σ = 322023195648. Its totient is φ = 38148489216.

The previous prime is 122557422259. The next prime is 122557422301. The reversal of 122557422260 is 62224755221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29480102 + ... + 29484258.

It is an arithmetic number, because the mean of its divisors is an integer number (1677204144).

Almost surely, 2^122557422260 is an apocalyptic number.

122557422260 is a gapful number since it is divisible by the number (10) 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 122557422260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161011597824).

122557422260 is an abundant number, since it is smaller than the sum of its proper divisors (199465773388).

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

122557422260 is a wasteful number, since it uses less digits than its factorization.

122557422260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 122557422260 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, two hundred sixty".