489181226 has 4 divisors (see below), whose sum is σ = 733771842. Its totient is φ = 244590612.

The previous prime is 489181223. The next prime is 489181229. The reversal of 489181226 is 622181984.

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

It is an interprime number because it is at equal distance from previous prime (489181223) and next prime (489181229).

It can be written as a sum of positive squares in only one way, i.e., 446265625 + 42915601 = 21125^2 + 6551^2 .

It is not an unprimeable number, because it can be changed into a prime (489181223) 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 as a sum of consecutive naturals, namely, 122295305 + ... + 122295308.

Almost surely, 2^489181226 is an apocalyptic number.

489181226 is a deficient number, since it is larger than the sum of its proper divisors (244590616).

489181226 is a wasteful number, since it uses less digits than its factorization.

489181226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244590615.

The product of its digits is 55296, while the sum is 41.

The square root of 489181226 is about 22117.4416694156. The cubic root of 489181226 is about 787.9341560330.

The spelling of 489181226 in words is "four hundred eighty-nine million, one hundred eighty-one thousand, two hundred twenty-six".