22538329841 has 4 divisors (see below), whose sum is σ = 22573491684. Its totient is φ = 22503168000.

The previous prime is 22538329733. The next prime is 22538329927. The reversal of 22538329841 is 14892383522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12432250000 + 10106079841 = 111500^2 + 100529^2 .

It is a cyclic number.

It is not a de Polignac number, because 22538329841 - 2¹⁸ = 22538067697 is a prime.

It is a super-2 number, since 2×22538329841² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22538326841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17579960 + ... + 17581241.

It is an arithmetic number, because the mean of its divisors is an integer number (5643372921).

Almost surely, 2^22538329841 is an apocalyptic number.

It is an amenable number.

22538329841 is a deficient number, since it is larger than the sum of its proper divisors (35161843).

22538329841 is an equidigital number, since it uses as much as digits as its factorization.

22538329841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35161842.

The product of its digits is 829440, while the sum is 47.

The spelling of 22538329841 in words is "twenty-two billion, five hundred thirty-eight million, three hundred twenty-nine thousand, eight hundred forty-one".