20212222222022 has 16 divisors (see below), whose sum is σ = 30407066837712. Its totient is φ = 10076535883680.

The previous prime is 20212222222013. The next prime is 20212222222057. The reversal of 20212222222022 is 22022222221202.

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, 15141908 + ... + 16422600.

It is an arithmetic number, because the mean of its divisors is an integer number (1900441677357).

Almost surely, 2^{20212222222022} is an apocalyptic number.

20212222222022 is a deficient number, since it is larger than the sum of its proper divisors (10194844615690).

20212222222022 is a wasteful number, since it uses less digits than its factorization.

20212222222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303783.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20212222222022 its reverse (22022222221202), we get a palindrome (42234444443224).

The spelling of 20212222222022 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".