122421224 has 32 divisors (see below), whose sum is σ = 234360000. Its totient is φ = 59933952.

The previous prime is 122421223. The next prime is 122421227. The reversal of 122421224 is 422124221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122421196 and 122421205.

It is not an unprimeable number, because it can be changed into a prime (122421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204077 + ... + 204675.

It is an arithmetic number, because the mean of its divisors is an integer number (7323750).

Almost surely, 2^122421224 is an apocalyptic number.

It is an amenable number.

122421224 is a deficient number, since it is larger than the sum of its proper divisors (111938776).

122421224 is a wasteful number, since it uses less digits than its factorization.

122421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

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

The square root of 122421224 is about 11064.4125013486. The cubic root of 122421224 is about 496.5377124687.

Adding to 122421224 its reverse (422124221), we get a palindrome (544545445).

The spelling of 122421224 in words is "one hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty-four".