1220122222022 has 8 divisors (see below), whose sum is σ = 1996563636072. Its totient is φ = 554601010000.

The previous prime is 1220122221991. The next prime is 1220122222079. The reversal of 1220122222022 is 2202222210221.

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 = 1220122221985 and 1220122222003.

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, 27730050479 + ... + 27730050522.

It is an arithmetic number, because the mean of its divisors is an integer number (249570454509).

Almost surely, 2^{1220122222022} is an apocalyptic number.

1220122222022 is a deficient number, since it is larger than the sum of its proper divisors (776441414050).

1220122222022 is a wasteful number, since it uses less digits than its factorization.

1220122222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55460101014.

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

Adding to 1220122222022 its reverse (2202222210221), we get a palindrome (3422344432243).

The spelling of 1220122222022 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".