122225688 has 96 divisors (see below), whose sum is σ = 361998000. Its totient is φ = 37027584.

The previous prime is 122225687. The next prime is 122225707. The reversal of 122225688 is 886522221.

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 (122225681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61738 + ... + 63686.

Almost surely, 2^122225688 is an apocalyptic number.

122225688 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 122225688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180999000).

122225688 is an abundant number, since it is smaller than the sum of its proper divisors (239772312).

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

122225688 is a wasteful number, since it uses less digits than its factorization.

122225688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2034 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 122225688 is about 11055.5727124378. The cubic root of 122225688 is about 496.2732083971.

The spelling of 122225688 in words is "one hundred twenty-two million, two hundred twenty-five thousand, six hundred eighty-eight".