22242204454540 has 24 divisors (see below), whose sum is σ = 53381290691232. Its totient is φ = 7625898670080.

The previous prime is 22242204454517. The next prime is 22242204454541. The reversal of 22242204454540 is 4545440224222.

It is a super-2 number, since 2×22242204454540² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22242204454493 and 22242204454502.

It is not an unprimeable number, because it can be changed into a prime (22242204454541) 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, 79436444341 + ... + 79436444620.

It is an arithmetic number, because the mean of its divisors is an integer number (2224220445468).

Almost surely, 2^{22242204454540} is an apocalyptic number.

22242204454540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242204454540 is an abundant number, since it is smaller than the sum of its proper divisors (31139086236692).

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

22242204454540 is a wasteful number, since it uses less digits than its factorization.

22242204454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158872888977 (or 158872888975 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 40.

Adding to 22242204454540 its reverse (4545440224222), we get a palindrome (26787644678762).

The spelling of 22242204454540 in words is "twenty-two trillion, two hundred forty-two billion, two hundred four million, four hundred fifty-four thousand, five hundred forty".