122204144 has 40 divisors (see below), whose sum is σ = 247409760. Its totient is φ = 58399488.

The previous prime is 122204123. The next prime is 122204153. The reversal of 122204144 is 441402221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46514 + ... + 49070.

It is an arithmetic number, because the mean of its divisors is an integer number (6185244).

Almost surely, 2^122204144 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 122204144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123704880).

122204144 is an abundant number, since it is smaller than the sum of its proper divisors (125205616).

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

122204144 is a wasteful number, since it uses less digits than its factorization.

122204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 122204144 is about 11054.5983192516. The cubic root of 122204144 is about 496.2440483015.

Adding to 122204144 its reverse (441402221), we get a palindrome (563606365).

The spelling of 122204144 in words is "one hundred twenty-two million, two hundred four thousand, one hundred forty-four".