226608668887 has 4 divisors (see below), whose sum is σ = 228852319176. Its totient is φ = 224365018600.

The previous prime is 226608668863. The next prime is 226608668959. The reversal of 226608668887 is 788866806622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226608668887 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 (226608668807) 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, 1121824993 + ... + 1121825194.

It is an arithmetic number, because the mean of its divisors is an integer number (57213079794).

Almost surely, 2^226608668887 is an apocalyptic number.

226608668887 is a deficient number, since it is larger than the sum of its proper divisors (2243650289).

226608668887 is a wasteful number, since it uses less digits than its factorization.

226608668887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243650288.

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 226608668887 in words is "two hundred twenty-six billion, six hundred eight million, six hundred sixty-eight thousand, eight hundred eighty-seven".