227117385 has 32 divisors (see below), whose sum is σ = 440472960. Its totient is φ = 110116800.

The previous prime is 227117383. The next prime is 227117389. The reversal of 227117385 is 583711722.

227117385 is a `hidden beast` number, since 2 + 271 + 1 + 7 + 385 = 666.

It is not a de Polignac number, because 227117385 - 2¹ = 227117383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227117383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74986 + ... + 77955.

It is an arithmetic number, because the mean of its divisors is an integer number (13764780).

Almost surely, 2^227117385 is an apocalyptic number.

It is an amenable number.

227117385 is a deficient number, since it is larger than the sum of its proper divisors (213355575).

227117385 is a wasteful number, since it uses less digits than its factorization.

227117385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152966 (or 152960 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 227117385 is about 15070.4142278837. The cubic root of 227117385 is about 610.1221514761.

The spelling of 227117385 in words is "two hundred twenty-seven million, one hundred seventeen thousand, three hundred eighty-five".