122204530 has 24 divisors (see below), whose sum is σ = 255882348. Its totient is φ = 41898528.

The previous prime is 122204527. The next prime is 122204531. The reversal of 122204530 is 35402221.

It can be written as a sum of positive squares in 2 ways, for example, as 122168809 + 35721 = 11053^2 + 189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122204498 and 122204507.

It is not an unprimeable number, because it can be changed into a prime (122204531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124209 + ... + 125188.

Almost surely, 2^122204530 is an apocalyptic number.

122204530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122204530 is an abundant number, since it is smaller than the sum of its proper divisors (133677818).

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

122204530 is a wasteful number, since it uses less digits than its factorization.

122204530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249418 (or 249411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 122204530 is about 11054.6157780359. The cubic root of 122204530 is about 496.2445707879.

Adding to 122204530 its reverse (35402221), we get a palindrome (157606751).

The spelling of 122204530 in words is "one hundred twenty-two million, two hundred four thousand, five hundred thirty".