227480985 has 12 divisors (see below), whose sum is σ = 394300452. Its totient is φ = 121323168.

The previous prime is 227480983. The next prime is 227480993. The reversal of 227480985 is 589084722.

It can be written as a sum of positive squares in 2 ways, for example, as 25613721 + 201867264 = 5061^2 + 14208^2 .

It is not a de Polignac number, because 227480985 - 2¹ = 227480983 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: 5055133 = 227480985 / (2 + 2 + 7 + 4 + 8 + 0 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 227480985.

It is not an unprimeable number, because it can be changed into a prime (227480983) 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, 2527522 + ... + 2527611.

It is an arithmetic number, because the mean of its divisors is an integer number (32858371).

Almost surely, 2^227480985 is an apocalyptic number.

It is an amenable number.

227480985 is a deficient number, since it is larger than the sum of its proper divisors (166819467).

227480985 is a wasteful number, since it uses less digits than its factorization.

227480985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055144 (or 5055141 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 227480985 is about 15082.4727747144. The cubic root of 227480985 is about 610.4475663645.

The spelling of 227480985 in words is "two hundred twenty-seven million, four hundred eighty thousand, nine hundred eighty-five".