117221222 has 16 divisors (see below), whose sum is σ = 195974640. Its totient is φ = 52259328.

The previous prime is 117221201. The next prime is 117221231. The reversal of 117221222 is 222122711.

It is a junction number, because it is equal to n+sod(n) for n = 117221194 and 117221203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90083 + ... + 91374.

It is an arithmetic number, because the mean of its divisors is an integer number (12248415).

Almost surely, 2^117221222 is an apocalyptic number.

117221222 is a deficient number, since it is larger than the sum of its proper divisors (78753418).

117221222 is a wasteful number, since it uses less digits than its factorization.

117221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181495.

The product of its digits is 224, while the sum is 20.

The square root of 117221222 is about 10826.8749877331. The cubic root of 117221222 is about 489.4053900814.

Adding to 117221222 its reverse (222122711), we get a palindrome (339343933).

The spelling of 117221222 in words is "one hundred seventeen million, two hundred twenty-one thousand, two hundred twenty-two".