22004042043 has 8 divisors (see below), whose sum is σ = 30131661328. Its totient is φ = 14272892064.

The previous prime is 22004042041. The next prime is 22004042057. The reversal of 22004042043 is 34024040022.

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

It is not a de Polignac number, because 22004042043 - 2¹ = 22004042041 is a prime.

It is a super-2 number, since 2×22004042043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22004042041) 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, 99117196 + ... + 99117417.

It is an arithmetic number, because the mean of its divisors is an integer number (3766457666).

Almost surely, 2^22004042043 is an apocalyptic number.

22004042043 is a deficient number, since it is larger than the sum of its proper divisors (8127619285).

22004042043 is a wasteful number, since it uses less digits than its factorization.

22004042043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198234653.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22004042043 its reverse (34024040022), we get a palindrome (56028082065).

The spelling of 22004042043 in words is "twenty-two billion, four million, forty-two thousand, forty-three".