227477385 has 12 divisors (see below), whose sum is σ = 394294212. Its totient is φ = 121321248.

The previous prime is 227477347. The next prime is 227477387. The reversal of 227477385 is 583774722.

227477385 is a `hidden beast` number, since 227 + 47 + 7 + 385 = 666.

227477385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68112009 + 159365376 = 8253^2 + 12624^2 .

It is not a de Polignac number, because 227477385 - 2¹⁷ = 227346313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5055053 = 227477385 / (2 + 2 + 7 + 4 + 7 + 7 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 227477385.

It is not an unprimeable number, because it can be changed into a prime (227477387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527482 + ... + 2527571.

It is an arithmetic number, because the mean of its divisors is an integer number (32857851).

Almost surely, 2^227477385 is an apocalyptic number.

It is an amenable number.

227477385 is a deficient number, since it is larger than the sum of its proper divisors (166816827).

227477385 is a wasteful number, since it uses less digits than its factorization.

227477385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055064 (or 5055061 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 227477385 is about 15082.3534304166. The cubic root of 227477385 is about 610.4443461352. Note that the first 3 decimals are identical.

The spelling of 227477385 in words is "two hundred twenty-seven million, four hundred seventy-seven thousand, three hundred eighty-five".