122208220 has 12 divisors (see below), whose sum is σ = 256637304. Its totient is φ = 48883280.

The previous prime is 122208217. The next prime is 122208221. The reversal of 122208220 is 22802221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122208221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055186 + ... + 3055225.

It is an arithmetic number, because the mean of its divisors is an integer number (21386442).

Almost surely, 2^122208220 is an apocalyptic number.

122208220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122208220 is an abundant number, since it is smaller than the sum of its proper divisors (134429084).

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

122208220 is a wasteful number, since it uses less digits than its factorization.

122208220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110420 (or 6110418 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 122208220 is about 11054.7826753853. The cubic root of 122208220 is about 496.2495654855.

The spelling of 122208220 in words is "one hundred twenty-two million, two hundred eight thousand, two hundred twenty".