122422272 has 88 divisors (see below), whose sum is σ = 372979776. Its totient is φ = 34971648.

The previous prime is 122422249. The next prime is 122422273. The reversal of 122422272 is 272224221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (122422273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18658 + ... + 24350.

Almost surely, 2^122422272 is an apocalyptic number.

122422272 is a gapful number since it is divisible by the number (12) 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 122422272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186489888).

122422272 is an abundant number, since it is smaller than the sum of its proper divisors (250557504).

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

122422272 is an equidigital number, since it uses as much as digits as its factorization.

122422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723 (or 5705 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 122422272 is about 11064.4598602914. The cubic root of 122422272 is about 496.5391293527.

Adding to 122422272 its reverse (272224221), we get a palindrome (394646493).

The spelling of 122422272 in words is "one hundred twenty-two million, four hundred twenty-two thousand, two hundred seventy-two".