27222259841 has 4 divisors (see below), whose sum is σ = 31111154112. Its totient is φ = 23333365572.

The previous prime is 27222259829. The next prime is 27222259843. The reversal of 27222259841 is 14895222272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27222259841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27222259792 and 27222259801.

It is not an unprimeable number, because it can be changed into a prime (27222259843) 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, 1944447125 + ... + 1944447138.

It is an arithmetic number, because the mean of its divisors is an integer number (7777788528).

Almost surely, 2^27222259841 is an apocalyptic number.

It is an amenable number.

27222259841 is a deficient number, since it is larger than the sum of its proper divisors (3888894271).

27222259841 is an equidigital number, since it uses as much as digits as its factorization.

27222259841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888894270.

The product of its digits is 322560, while the sum is 44.

The spelling of 27222259841 in words is "twenty-seven billion, two hundred twenty-two million, two hundred fifty-nine thousand, eight hundred forty-one".