22506540043 has 8 divisors (see below), whose sum is σ = 24244205888. Its totient is φ = 20769787584.

The previous prime is 22506539977. The next prime is 22506540061. The reversal of 22506540043 is 34004560522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22506540043 - 2¹³ = 22506531851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22506539987 and 22506540014.

It is not an unprimeable number, because it can be changed into a prime (22506546043) 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 7 ways as a sum of consecutive naturals, for example, 176730 + ... + 276127.

It is an arithmetic number, because the mean of its divisors is an integer number (3030525736).

Almost surely, 2^22506540043 is an apocalyptic number.

22506540043 is a deficient number, since it is larger than the sum of its proper divisors (1737665845).

22506540043 is a wasteful number, since it uses less digits than its factorization.

22506540043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456693.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 22506540043 in words is "twenty-two billion, five hundred six million, five hundred forty thousand, forty-three".