22022226542544 has 20 divisors (see below), whose sum is σ = 56890751901696. Its totient is φ = 7340742180832.

The previous prime is 22022226542467. The next prime is 22022226542639. The reversal of 22022226542544 is 44524562222022.

It is a super-2 number, since 2×22022226542544² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022226542496 and 22022226542505.

It is a congruent number.

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, 229398193104 + ... + 229398193199.

Almost surely, 2^{22022226542544} is an apocalyptic number.

22022226542544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22022226542544 is an abundant number, since it is smaller than the sum of its proper divisors (34868525359152).

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

22022226542544 is a wasteful number, since it uses less digits than its factorization.

22022226542544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458796386314 (or 458796386308 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 22022226542544 its reverse (44524562222022), we get a palindrome (66546788764566).

The spelling of 22022226542544 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-six million, five hundred forty-two thousand, five hundred forty-four".