22042543230 has 128 divisors (see below), whose sum is σ = 62988710400. Its totient is φ = 5465498112.

The previous prime is 22042543219. The next prime is 22042543249. The reversal of 22042543230 is 3234524022.

It is a happy number.

22042543230 is a `hidden beast` number, since 2 + 2 + 0 + 425 + 4 + 3 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22042543194 and 22042543203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352041 + ... + 409899.

It is an arithmetic number, because the mean of its divisors is an integer number (492099300).

Almost surely, 2^22042543230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22042543230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31494355200).

22042543230 is an abundant number, since it is smaller than the sum of its proper divisors (40946167170).

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

22042543230 is a wasteful number, since it uses less digits than its factorization.

22042543230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57975 (or 57969 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The spelling of 22042543230 in words is "twenty-two billion, forty-two million, five hundred forty-three thousand, two hundred thirty".