226187887 has 8 divisors (see below), whose sum is σ = 230259600. Its totient is φ = 222124224.

The previous prime is 226187861. The next prime is 226187891. The reversal of 226187887 is 788781622.

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

It is a cyclic number.

It is not a de Polignac number, because 226187887 - 2²⁷ = 91970159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226187887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226187807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97323 + ... + 99619.

It is an arithmetic number, because the mean of its divisors is an integer number (28782450).

Almost surely, 2^226187887 is an apocalyptic number.

226187887 is a deficient number, since it is larger than the sum of its proper divisors (4071713).

226187887 is a wasteful number, since it uses less digits than its factorization.

226187887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025.

The product of its digits is 602112, while the sum is 49.

The square root of 226187887 is about 15039.5441087820. The cubic root of 226187887 is about 609.2886871290.

The spelling of 226187887 in words is "two hundred twenty-six million, one hundred eighty-seven thousand, eight hundred eighty-seven".