122215222 has 16 divisors (see below), whose sum is σ = 190123200. Its totient is φ = 58851520.

The previous prime is 122215199. The next prime is 122215231. The reversal of 122215222 is 222512221.

It is a self number, because there is not a number n which added to its sum of digits gives 122215222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22554 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (11882700).

Almost surely, 2^122215222 is an apocalyptic number.

122215222 is a deficient number, since it is larger than the sum of its proper divisors (67907978).

122215222 is a wasteful number, since it uses less digits than its factorization.

122215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351.

The product of its digits is 320, while the sum is 19.

The square root of 122215222 is about 11055.0993663558. The cubic root of 122215222 is about 496.2590429525.

Adding to 122215222 its reverse (222512221), we get a palindrome (344727443).

The spelling of 122215222 in words is "one hundred twenty-two million, two hundred fifteen thousand, two hundred twenty-two".