122012224 has 42 divisors (see below), whose sum is σ = 255580134. Its totient is φ = 57784320.

The previous prime is 122012197. The next prime is 122012257. The reversal of 122012224 is 422210221.

It can be written as a sum of positive squares in only one way, i.e., 83174400 + 38837824 = 9120^2 + 6232^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 122012198 and 122012207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20464 + ... + 25744.

Almost surely, 2^122012224 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 122012224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127790067).

122012224 is an abundant number, since it is smaller than the sum of its proper divisors (133567910).

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

122012224 is an equidigital number, since it uses as much as digits as its factorization.

122012224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122012224 is about 11045.9143578067. The cubic root of 122012224 is about 495.9841306057.

Adding to 122012224 its reverse (422210221), we get a palindrome (544222445).

The spelling of 122012224 in words is "one hundred twenty-two million, twelve thousand, two hundred twenty-four".