22022202221020 has 96 divisors (see below), whose sum is σ = 49038925340160. Its totient is φ = 8278540984320.

The previous prime is 22022202220943. The next prime is 22022202221027. The reversal of 22022202221020 is 2012220222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022202221027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865175957 + ... + 1865187763.

It is an arithmetic number, because the mean of its divisors is an integer number (510822138960).

Almost surely, 2^{22022202221020} is an apocalyptic number.

22022202221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022202221020 is an abundant number, since it is smaller than the sum of its proper divisors (27016723119140).

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

22022202221020 is a wasteful number, since it uses less digits than its factorization.

22022202221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423 (or 19421 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22022202221020 its reverse (2012220222022), we get a palindrome (24034422443042).

The spelling of 22022202221020 in words is "twenty-two trillion, twenty-two billion, two hundred two million, two hundred twenty-one thousand, twenty".