227643332159 has 4 divisors (see below), whose sum is σ = 227764485360. Its totient is φ = 227522178960.

The previous prime is 227643332143. The next prime is 227643332197. The reversal of 227643332159 is 951233346722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951233346722 = 2 ⋅475616673361.

It is a cyclic number.

It is not a de Polignac number, because 227643332159 - 2⁴ = 227643332143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227643332659) 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, 60573782 + ... + 60577539.

It is an arithmetic number, because the mean of its divisors is an integer number (56941121340).

Almost surely, 2^227643332159 is an apocalyptic number.

227643332159 is a deficient number, since it is larger than the sum of its proper divisors (121153201).

227643332159 is a wasteful number, since it uses less digits than its factorization.

227643332159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121153200.

The product of its digits is 1632960, while the sum is 47.

The spelling of 227643332159 in words is "two hundred twenty-seven billion, six hundred forty-three million, three hundred thirty-two thousand, one hundred fifty-nine".