226185885 has 32 divisors (see below), whose sum is σ = 405694080. Its totient is φ = 119556864.

The previous prime is 226185863. The next prime is 226185893. The reversal of 226185885 is 588581622.

226185885 is a `hidden beast` number, since 2 + 2 + 61 + 8 + 588 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-226185885 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 226185885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7842 + ... + 22668.

It is an arithmetic number, because the mean of its divisors is an integer number (12677940).

Almost surely, 2^226185885 is an apocalyptic number.

It is an amenable number.

226185885 is a deficient number, since it is larger than the sum of its proper divisors (179508195).

226185885 is a wasteful number, since it uses less digits than its factorization.

226185885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954 (or 14948 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 226185885 is about 15039.4775507662. The cubic root of 226185885 is about 609.2868895091.

The spelling of 226185885 in words is "two hundred twenty-six million, one hundred eighty-five thousand, eight hundred eighty-five".