22022404422 has 16 divisors (see below), whose sum is σ = 44050006272. Its totient is φ = 7339935240.

The previous prime is 22022404421. The next prime is 22022404519. The reversal of 22022404422 is 22440422022.

It is a super-2 number, since 2×22022404422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022404392 and 22022404401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022404421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160354 + ... + 264117.

It is an arithmetic number, because the mean of its divisors is an integer number (2753125392).

Almost surely, 2^22022404422 is an apocalyptic number.

22022404422 is an abundant number, since it is smaller than the sum of its proper divisors (22027601850).

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

22022404422 is a wasteful number, since it uses less digits than its factorization.

22022404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433123.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22022404422 its reverse (22440422022), we get a palindrome (44462826444).

The spelling of 22022404422 in words is "twenty-two billion, twenty-two million, four hundred four thousand, four hundred twenty-two".