122212210 has 16 divisors (see below), whose sum is σ = 222768000. Its totient is φ = 48265776.

The previous prime is 122212193. The next prime is 122212213. The reversal of 122212210 is 12212221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122212213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76560 + ... + 78139.

It is an arithmetic number, because the mean of its divisors is an integer number (13923000).

Almost surely, 2^122212210 is an apocalyptic number.

122212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122212210 is a deficient number, since it is larger than the sum of its proper divisors (100555790).

122212210 is a wasteful number, since it uses less digits than its factorization.

122212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154785.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122212210 is about 11054.9631387897. The cubic root of 122212210 is about 496.2549661430.

Adding to 122212210 its reverse (12212221), we get a palindrome (134424431).

The spelling of 122212210 in words is "one hundred twenty-two million, two hundred twelve thousand, two hundred ten".