227815199999 has 2 divisors, whose sum is σ = 227815200000. Its totient is φ = 227815199998.

The previous prime is 227815199993. The next prime is 227815200047. The reversal of 227815199999 is 999991518722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227815199999 - 2²⁰ = 227814151423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227815199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113907599999 + 113907600000.

It is an arithmetic number, because the mean of its divisors is an integer number (113907600000).

Almost surely, 2^227815199999 is an apocalyptic number.

227815199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

227815199999 is an equidigital number, since it uses as much as digits as its factorization.

227815199999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66134880, while the sum is 71.

The spelling of 227815199999 in words is "two hundred twenty-seven billion, eight hundred fifteen million, one hundred ninety-nine thousand, nine hundred ninety-nine".