122222208 has 32 divisors (see below), whose sum is σ = 324653760. Its totient is φ = 40740608.

The previous prime is 122222201. The next prime is 122222209. The reversal of 122222208 is 802222221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122222201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158760 + ... + 159527.

It is an arithmetic number, because the mean of its divisors is an integer number (10145430).

Almost surely, 2^122222208 is an apocalyptic number.

It is an amenable number.

122222208 is an abundant number, since it is smaller than the sum of its proper divisors (202431552).

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

122222208 is an equidigital number, since it uses as much as digits as its factorization.

122222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318304 (or 318292 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 122222208 is about 11055.4153246271. The cubic root of 122222208 is about 496.2684984021.

Adding to 122222208 its reverse (802222221), we get a palindrome (924444429).

The spelling of 122222208 in words is "one hundred twenty-two million, two hundred twenty-two thousand, two hundred eight".