22242204454542 has 64 divisors (see below), whose sum is σ = 47016058798080. Its totient is φ = 7004756392704.

The previous prime is 22242204454541. The next prime is 22242204454559. The reversal of 22242204454542 is 24545440224222.

It is a junction number, because it is equal to n+sod(n) for n = 22242204454494 and 22242204454503.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5280858 + ... + 8507165.

It is an arithmetic number, because the mean of its divisors is an integer number (734625918720).

Almost surely, 2^{22242204454542} is an apocalyptic number.

22242204454542 is an abundant number, since it is smaller than the sum of its proper divisors (24773854343538).

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

22242204454542 is a wasteful number, since it uses less digits than its factorization.

22242204454542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13788257.

The product of its (nonzero) digits is 1638400, while the sum is 42.

Adding to 22242204454542 its reverse (24545440224222), we get a palindrome (46787644678764).

The spelling of 22242204454542 in words is "twenty-two trillion, two hundred forty-two billion, two hundred four million, four hundred fifty-four thousand, five hundred forty-two".