226648487 has 4 divisors (see below), whose sum is σ = 244083000. Its totient is φ = 209213976.

The previous prime is 226648459. The next prime is 226648501. The reversal of 226648487 is 784846622.

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

It is a cyclic number.

It is not a de Polignac number, because 226648487 - 2⁶ = 226648423 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 (226648687) 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 3 ways as a sum of consecutive naturals, for example, 8717237 + ... + 8717262.

It is an arithmetic number, because the mean of its divisors is an integer number (61020750).

Almost surely, 2^226648487 is an apocalyptic number.

226648487 is a deficient number, since it is larger than the sum of its proper divisors (17434513).

226648487 is a wasteful number, since it uses less digits than its factorization.

226648487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17434512.

The product of its digits is 1032192, while the sum is 47.

The square root of 226648487 is about 15054.8492851971. The cubic root of 226648487 is about 609.7019837834.

The spelling of 226648487 in words is "two hundred twenty-six million, six hundred forty-eight thousand, four hundred eighty-seven".