20212222022 has 32 divisors (see below), whose sum is σ = 31947312384. Its totient is φ = 9578073600.

The previous prime is 20212222007. The next prime is 20212222033. The reversal of 20212222022 is 22022221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869738 + ... + 892674.

It is an arithmetic number, because the mean of its divisors is an integer number (998353512).

Almost surely, 2^20212222022 is an apocalyptic number.

20212222022 is a deficient number, since it is larger than the sum of its proper divisors (11735090362).

20212222022 is a wasteful number, since it uses less digits than its factorization.

20212222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23264.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20212222022 its reverse (22022221202), we get a palindrome (42234443224).

The spelling of 20212222022 in words is "twenty billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".