122421444 has 24 divisors (see below), whose sum is σ = 287135520. Its totient is φ = 40594944.

The previous prime is 122421443. The next prime is 122421457. The reversal of 122421444 is 444124221.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (122421443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24114 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (11963980).

Almost surely, 2^122421444 is an apocalyptic number.

It is an amenable number.

122421444 is an abundant number, since it is smaller than the sum of its proper divisors (164714076).

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

122421444 is a wasteful number, since it uses less digits than its factorization.

122421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53059 (or 53057 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 122421444 is about 11064.4224431282. The cubic root of 122421444 is about 496.5380099069.

Adding to 122421444 its reverse (444124221), we get a palindrome (566545665).

The spelling of 122421444 in words is "one hundred twenty-two million, four hundred twenty-one thousand, four hundred forty-four".