122220122222 has 8 divisors (see below), whose sum is σ = 199996563672. Its totient is φ = 55554601000.

The previous prime is 122220122203. The next prime is 122220122261. The reversal of 122220122222 is 222221022221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122220122194 and 122220122203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777730029 + ... + 2777730072.

It is an arithmetic number, because the mean of its divisors is an integer number (24999570459).

Almost surely, 2^122220122222 is an apocalyptic number.

122220122222 is a deficient number, since it is larger than the sum of its proper divisors (77776441450).

122220122222 is a wasteful number, since it uses less digits than its factorization.

122220122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555460114.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122220122222 its reverse (222221022221), we get a palindrome (344441144443).

It can be divided in two parts, 122220 and 122222, that added together give a palindrome (244442).

The spelling of 122220122222 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".