227561530 has 32 divisors (see below), whose sum is σ = 471248640. Its totient is φ = 77500800.

The previous prime is 227561527. The next prime is 227561531. The reversal of 227561530 is 35165722.

It is a junction number, because it is equal to n+sod(n) for n = 227561492 and 227561501.

It is not an unprimeable number, because it can be changed into a prime (227561531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195 + ... + 21334.

It is an arithmetic number, because the mean of its divisors is an integer number (14726520).

Almost surely, 2^227561530 is an apocalyptic number.

227561530 is an abundant number, since it is smaller than the sum of its proper divisors (243687110).

227561530 is a wasteful number, since it uses less digits than its factorization.

227561530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 227561530 is about 15085.1426907404. The cubic root of 227561530 is about 610.5196056418.

The spelling of 227561530 in words is "two hundred twenty-seven million, five hundred sixty-one thousand, five hundred thirty".