122212552 has 32 divisors (see below), whose sum is σ = 285693120. Its totient is φ = 47615040.

The previous prime is 122212543. The next prime is 122212577. The reversal of 122212552 is 255212221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98583 + ... + 99814.

It is an arithmetic number, because the mean of its divisors is an integer number (8927910).

Almost surely, 2^122212552 is an apocalyptic number.

It is an amenable number.

122212552 is an abundant number, since it is smaller than the sum of its proper divisors (163480568).

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

122212552 is a wasteful number, since it uses less digits than its factorization.

122212552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198421 (or 198417 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 122212552 is about 11054.9786069445. The cubic root of 122212552 is about 496.2554290510.

Adding to 122212552 its reverse (255212221), we get a palindrome (377424773).

The spelling of 122212552 in words is "one hundred twenty-two million, two hundred twelve thousand, five hundred fifty-two".