13474222081 has 4 divisors (see below), whose sum is σ = 13474625092. Its totient is φ = 13473819072.

The previous prime is 13474222033. The next prime is 13474222087. The reversal of 13474222081 is 18022247431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18022247431 = 47 ⋅383452073.

It can be written as a sum of positive squares in 2 ways, for example, as 4544917056 + 8929305025 = 67416^2 + 94495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13474222081 - 2⁷ = 13474221953 is a prime.

It is a super-2 number, since 2×13474222081² (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 (13474222087) 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, 146316 + ... + 219901.

It is an arithmetic number, because the mean of its divisors is an integer number (3368656273).

Almost surely, 2^13474222081 is an apocalyptic number.

It is an amenable number.

13474222081 is a deficient number, since it is larger than the sum of its proper divisors (403011).

13474222081 is an equidigital number, since it uses as much as digits as its factorization.

13474222081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403010.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 13474222081 in words is "thirteen billion, four hundred seventy-four million, two hundred twenty-two thousand, eighty-one".