20211422022 has 32 divisors (see below), whose sum is σ = 48997388160. Its totient is φ = 6124673160.

The previous prime is 20211421999. The next prime is 20211422039. The reversal of 20211422022 is 22022411202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20211421986 and 20211422004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17012388 + ... + 17013575.

It is an arithmetic number, because the mean of its divisors is an integer number (1531168380).

Almost surely, 2^20211422022 is an apocalyptic number.

20211422022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20211422022 is an abundant number, since it is smaller than the sum of its proper divisors (28785966138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211422022 is a wasteful number, since it uses less digits than its factorization.

20211422022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025985 (or 34025979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20211422022 its reverse (22022411202), we get a palindrome (42233833224).

The spelling of 20211422022 in words is "twenty billion, two hundred eleven million, four hundred twenty-two thousand, twenty-two".