227666985 has 48 divisors (see below), whose sum is σ = 456353856. Its totient is φ = 96066432.

The previous prime is 227666969. The next prime is 227667053. The reversal of 227666985 is 589666722.

227666985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 227666985 - 2⁴ = 227666969 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2359 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (9507372).

Almost surely, 2^227666985 is an apocalyptic number.

It is an amenable number.

227666985 is an abundant number, since it is smaller than the sum of its proper divisors (228686871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227666985 is a wasteful number, since it uses less digits than its factorization.

227666985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23862 (or 23855 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 227666985 is about 15088.6376124553. The cubic root of 227666985 is about 610.6138986774.

The spelling of 227666985 in words is "two hundred twenty-seven million, six hundred sixty-six thousand, nine hundred eighty-five".