226559987 has 2 divisors, whose sum is σ = 226559988. Its totient is φ = 226559986.

The previous prime is 226559929. The next prime is 226560007. The reversal of 226559987 is 789955622.

226559987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226559987 - 2¹⁰ = 226558963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226559087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113279993 + 113279994.

It is an arithmetic number, because the mean of its divisors is an integer number (113279994).

Almost surely, 2^226559987 is an apocalyptic number.

226559987 is a deficient number, since it is larger than the sum of its proper divisors (1).

226559987 is an equidigital number, since it uses as much as digits as its factorization.

226559987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 226559987 is about 15051.9097459425. The cubic root of 226559987 is about 609.6226161675.

The spelling of 226559987 in words is "two hundred twenty-six million, five hundred fifty-nine thousand, nine hundred eighty-seven".