20220221022 has 16 divisors (see below), whose sum is σ = 42819291792. Its totient is φ = 6343598720.

The previous prime is 20220221009. The next prime is 20220221023. The reversal of 20220221022 is 22012202202.

It is a super-3 number, since 3×20220221022³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220220992 and 20220221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220221023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 99118629 + ... + 99118832.

It is an arithmetic number, because the mean of its divisors is an integer number (2676205737).

Almost surely, 2^20220221022 is an apocalyptic number.

20220221022 is an abundant number, since it is smaller than the sum of its proper divisors (22599070770).

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

20220221022 is a wasteful number, since it uses less digits than its factorization.

20220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198237483.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20220221022 its reverse (22012202202), we get a palindrome (42232423224).

The spelling of 20220221022 in words is "twenty billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".