22547280042 has 80 divisors (see below), whose sum is σ = 58335668160. Its totient is φ = 6375635712.

The previous prime is 22547280037. The next prime is 22547280043. The reversal of 22547280042 is 24008274522.

It is a junction number, because it is equal to n+sod(n) for n = 22547279979 and 22547280006.

It is not an unprimeable number, because it can be changed into a prime (22547280043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7509 + ... + 212487.

It is an arithmetic number, because the mean of its divisors is an integer number (729195852).

Almost surely, 2^22547280042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22547280042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29167834080).

22547280042 is an abundant number, since it is smaller than the sum of its proper divisors (35788388118).

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

22547280042 is a wasteful number, since it uses less digits than its factorization.

22547280042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205097 (or 205088 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 22547280042 in words is "twenty-two billion, five hundred forty-seven million, two hundred eighty thousand, forty-two".