227618201047 has 2 divisors, whose sum is σ = 227618201048. Its totient is φ = 227618201046.

The previous prime is 227618200987. The next prime is 227618201143. The reversal of 227618201047 is 740102816722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227618201047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227618201347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113809100523 + 113809100524.

It is an arithmetic number, because the mean of its divisors is an integer number (113809100524).

Almost surely, 2^227618201047 is an apocalyptic number.

227618201047 is a deficient number, since it is larger than the sum of its proper divisors (1).

227618201047 is an equidigital number, since it uses as much as digits as its factorization.

227618201047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 227618201047 in words is "two hundred twenty-seven billion, six hundred eighteen million, two hundred one thousand, forty-seven".