489178522 has 32 divisors (see below), whose sum is σ = 884707200. Its totient is φ = 198168768.

The previous prime is 489178493. The next prime is 489178561. The reversal of 489178522 is 225871984.

It is a super-2 number, since 2×489178522² = 478591252772208968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133588 + ... + 137200.

It is an arithmetic number, because the mean of its divisors is an integer number (27647100).

Almost surely, 2^489178522 is an apocalyptic number.

489178522 is a deficient number, since it is larger than the sum of its proper divisors (395528678).

489178522 is a wasteful number, since it uses less digits than its factorization.

489178522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its digits is 322560, while the sum is 46.

The square root of 489178522 is about 22117.3805411039. The cubic root of 489178522 is about 787.9327042344.

The spelling of 489178522 in words is "four hundred eighty-nine million, one hundred seventy-eight thousand, five hundred twenty-two".