22221422322 has 32 divisors (see below), whose sum is σ = 48493076544. Its totient is φ = 6732379200.

The previous prime is 22221422291. The next prime is 22221422323. The reversal of 22221422322 is 22322412222.

It is a super-2 number, since 2×22221422322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22221422292 and 22221422301.

It is not an unprimeable number, because it can be changed into a prime (22221422323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315228 + ... + 379224.

It is an arithmetic number, because the mean of its divisors is an integer number (1515408642).

Almost surely, 2^22221422322 is an apocalyptic number.

22221422322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221422322 is an abundant number, since it is smaller than the sum of its proper divisors (26271654222).

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

22221422322 is a wasteful number, since it uses less digits than its factorization.

22221422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69274.

The product of its digits is 3072, while the sum is 24.

Adding to 22221422322 its reverse (22322412222), we get a palindrome (44543834544).

The spelling of 22221422322 in words is "twenty-two billion, two hundred twenty-one million, four hundred twenty-two thousand, three hundred twenty-two".