226641687 has 8 divisors (see below), whose sum is σ = 310356336. Its totient is φ = 147010752.

The previous prime is 226641683. The next prime is 226641707. The reversal of 226641687 is 786146622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226641687 - 2² = 226641683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226641683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020798 + ... + 1021019.

It is an arithmetic number, because the mean of its divisors is an integer number (38794542).

Almost surely, 2^226641687 is an apocalyptic number.

226641687 is a deficient number, since it is larger than the sum of its proper divisors (83714649).

226641687 is a wasteful number, since it uses less digits than its factorization.

226641687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041857.

The product of its digits is 193536, while the sum is 42.

The square root of 226641687 is about 15054.6234426504. The cubic root of 226641687 is about 609.6958862136.

The spelling of 226641687 in words is "two hundred twenty-six million, six hundred forty-one thousand, six hundred eighty-seven".