227670385 has 4 divisors (see below), whose sum is σ = 273204468. Its totient is φ = 182136304.

The previous prime is 227670383. The next prime is 227670403. The reversal of 227670385 is 583076722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 130233744 + 97436641 = 11412^2 + 9871^2 .

It is a cyclic number.

It is not a de Polignac number, because 227670385 - 2¹ = 227670383 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227670383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22767034 + ... + 22767043.

It is an arithmetic number, because the mean of its divisors is an integer number (68301117).

Almost surely, 2^227670385 is an apocalyptic number.

It is an amenable number.

227670385 is a deficient number, since it is larger than the sum of its proper divisors (45534083).

227670385 is an equidigital number, since it uses as much as digits as its factorization.

227670385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45534082.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 227670385 is about 15088.7502795957. The cubic root of 227670385 is about 610.6169383173.

The spelling of 227670385 in words is "two hundred twenty-seven million, six hundred seventy thousand, three hundred eighty-five".