122221213222 has 32 divisors (see below), whose sum is σ = 186572067840. Its totient is φ = 60041023200.

The previous prime is 122221213217. The next prime is 122221213223. The reversal of 122221213222 is 222312122221.

It is a happy number.

It is a super-2 number, since 2×122221213222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221213193 and 122221213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221213223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24329803 + ... + 24334825.

It is an arithmetic number, because the mean of its divisors is an integer number (5830377120).

Almost surely, 2^122221213222 is an apocalyptic number.

122221213222 is a deficient number, since it is larger than the sum of its proper divisors (64350854618).

122221213222 is a wasteful number, since it uses less digits than its factorization.

122221213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028.

The product of its digits is 768, while the sum is 22.

Adding to 122221213222 its reverse (222312122221), we get a palindrome (344533335443).

It can be divided in two parts, 122221 and 213222, that multiplied together give a palindrome (26060206062).

The spelling of 122221213222 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-two".