22022422422021 has 48 divisors (see below), whose sum is σ = 37528408439808. Its totient is φ = 12177905990400.

The previous prime is 22022422421983. The next prime is 22022422422031. The reversal of 22022422422021 is 12022422422022.

It is not a de Polignac number, because 22022422422021 - 2¹¹ = 22022422419973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022422422031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66817651 + ... + 67146431.

It is an arithmetic number, because the mean of its divisors is an integer number (781841842496).

Almost surely, 2^{22022422422021} is an apocalyptic number.

22022422422021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22022422422021 is a deficient number, since it is larger than the sum of its proper divisors (15505986017787).

22022422422021 is a wasteful number, since it uses less digits than its factorization.

22022422422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363122 (or 363119 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22022422422021 its reverse (12022422422022), we get a palindrome (34044844844043).

Subtracting from 22022422422021 its reverse (12022422422022), we obtain a palindrome (9999999999999).

The spelling of 22022422422021 in words is "twenty-two trillion, twenty-two billion, four hundred twenty-two million, four hundred twenty-two thousand, twenty-one".