22538281355 has 8 divisors (see below), whose sum is σ = 27085082064. Its totient is φ = 18004528800.

The previous prime is 22538281331. The next prime is 22538281361. The reversal of 22538281355 is 55318283522.

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

It is not a de Polignac number, because 22538281355 - 2¹⁸ = 22538019211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 3258236 + ... + 3265145.

It is an arithmetic number, because the mean of its divisors is an integer number (3385635258).

Almost surely, 2^22538281355 is an apocalyptic number.

22538281355 is a deficient number, since it is larger than the sum of its proper divisors (4546800709).

22538281355 is an equidigital number, since it uses as much as digits as its factorization.

22538281355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524077.

The product of its digits is 576000, while the sum is 44.

The spelling of 22538281355 in words is "twenty-two billion, five hundred thirty-eight million, two hundred eighty-one thousand, three hundred fifty-five".