122243436 has 162 divisors, whose sum is σ = 378630252. Its totient is φ = 33153120.

The previous prime is 122243423. The next prime is 122243437. The reversal of 122243436 is 634342221.

122243436 is a `hidden beast` number, since 1 + 2 + 224 + 3 + 436 = 666.

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 (122243437) 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 53 ways as a sum of consecutive naturals, for example, 933091 + ... + 933221.

Almost surely, 2^122243436 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 122243436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189315126).

122243436 is an abundant number, since it is smaller than the sum of its proper divisors (256386816).

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

122243436 is a wasteful number, since it uses less digits than its factorization.

122243436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 166 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 122243436 is about 11056.3753554228. The cubic root of 122243436 is about 496.2972279813.

Adding to 122243436 its reverse (634342221), we get a palindrome (756585657).

The spelling of 122243436 in words is "one hundred twenty-two million, two hundred forty-three thousand, four hundred thirty-six".