20022122212222 has 16 divisors (see below), whose sum is σ = 33458718817440. Its totient is φ = 8922325017312.

The previous prime is 20022122212189. The next prime is 20022122212231. The reversal of 20022122212222 is 22221222122002.

It is a junction number, because it is equal to n+sod(n) for n = 20022122212193 and 20022122212202.

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, 13277268618 + ... + 13277270125.

It is an arithmetic number, because the mean of its divisors is an integer number (2091169926090).

Almost surely, 2^{20022122212222} is an apocalyptic number.

20022122212222 is a deficient number, since it is larger than the sum of its proper divisors (13436596605218).

20022122212222 is a wasteful number, since it uses less digits than its factorization.

20022122212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26554538787.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20022122212222 its reverse (22221222122002), we get a palindrome (42243344334224).

The spelling of 20022122212222 in words is "twenty trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".