227199887 has 2 divisors, whose sum is σ = 227199888. Its totient is φ = 227199886.

The previous prime is 227199839. The next prime is 227199893. The reversal of 227199887 is 788991722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227199887 - 2¹⁴ = 227183503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227199827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113599943 + 113599944.

It is an arithmetic number, because the mean of its divisors is an integer number (113599944).

Almost surely, 2^227199887 is an apocalyptic number.

227199887 is a deficient number, since it is larger than the sum of its proper divisors (1).

227199887 is an equidigital number, since it uses as much as digits as its factorization.

227199887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 53.

The square root of 227199887 is about 15073.1511967471. The cubic root of 227199887 is about 610.1960195979.

The spelling of 227199887 in words is "two hundred twenty-seven million, one hundred ninety-nine thousand, eight hundred eighty-seven".