22220121022022 has 64 divisors (see below), whose sum is σ = 42689644102656. Its totient is φ = 8420836152960.

The previous prime is 22220121022019. The next prime is 22220121022031. The reversal of 22220121022022 is 22022012102222.

It is a junction number, because it is equal to n+sod(n) for n = 22220121021985 and 22220121022003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19719623 + ... + 20815949.

It is an arithmetic number, because the mean of its divisors is an integer number (667025689104).

Almost surely, 2^{22220121022022} is an apocalyptic number.

22220121022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220121022022 is a deficient number, since it is larger than the sum of its proper divisors (20469523080634).

22220121022022 is a wasteful number, since it uses less digits than its factorization.

22220121022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099941.

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

Adding to 22220121022022 its reverse (22022012102222), we get a palindrome (44242133124244).

The spelling of 22220121022022 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, twenty-two".