122210208 has 60 divisors (see below), whose sum is σ = 359424450. Its totient is φ = 40735872.

The previous prime is 122210191. The next prime is 122210227. The reversal of 122210208 is 802012221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122146704 + 63504 = 11052^2 + 252^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20983 + ... + 26166.

Almost surely, 2^122210208 is an apocalyptic number.

122210208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122210208 is an abundant number, since it is smaller than the sum of its proper divisors (237214242).

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

122210208 is an equidigital number, since it uses as much as digits as its factorization.

122210208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47171 (or 47154 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 122210208 is about 11054.8725908533. The cubic root of 122210208 is about 496.2522563541.

Adding to 122210208 its reverse (802012221), we get a palindrome (924222429).

The spelling of 122210208 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred eight".