226641865 has 8 divisors (see below), whose sum is σ = 273473928. Its totient is φ = 180311040.

The previous prime is 226641853. The next prime is 226641871. The reversal of 226641865 is 568146622.

It can be written as a sum of positive squares in 4 ways, for example, as 1731856 + 224910009 = 1316^2 + 14997^2 .

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

It is not a de Polignac number, because 226641865 - 2⁹ = 226641353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 124312 + ... + 126121.

It is an arithmetic number, because the mean of its divisors is an integer number (34184241).

Almost surely, 2^226641865 is an apocalyptic number.

It is an amenable number.

226641865 is a deficient number, since it is larger than the sum of its proper divisors (46832063).

226641865 is a wasteful number, since it uses less digits than its factorization.

226641865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250619.

The product of its digits is 138240, while the sum is 40.

The square root of 226641865 is about 15054.6293544544. The cubic root of 226641865 is about 609.6960458280.

The spelling of 226641865 in words is "two hundred twenty-six million, six hundred forty-one thousand, eight hundred sixty-five".