22122021224442 has 8 divisors (see below), whose sum is σ = 44244042448896. Its totient is φ = 7374007074812.

The previous prime is 22122021224417. The next prime is 22122021224489. The reversal of 22122021224442 is 24442212022122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

22122021224442 is an admirable number.

It is a super-2 number, since 2×22122021224442² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843501768698 + ... + 1843501768709.

It is an arithmetic number, because the mean of its divisors is an integer number (5530505306112).

Almost surely, 2^{22122021224442} is an apocalyptic number.

22122021224442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22122021224442 is a wasteful number, since it uses less digits than its factorization.

22122021224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687003537412.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 22122021224442 its reverse (24442212022122), we get a palindrome (46564233246564).

The spelling of 22122021224442 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-four thousand, four hundred forty-two".