489146922 has 48 divisors (see below), whose sum is σ = 1175148000. Its totient is φ = 145792800.

The previous prime is 489146921. The next prime is 489146927. The reversal of 489146922 is 229641984.

489146922 is a `hidden beast` number, since 489 + 146 + 9 + 22 = 666.

It is a super-2 number, since 2×489146922² = 478529422604148168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489146921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8172 + ... + 32327.

It is an arithmetic number, because the mean of its divisors is an integer number (24482250).

Almost surely, 2^489146922 is an apocalyptic number.

489146922 is an abundant number, since it is smaller than the sum of its proper divisors (686001078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489146922 is a wasteful number, since it uses less digits than its factorization.

489146922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40579 (or 40576 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 489146922 is about 22116.6661592565. Note that the first 3 decimals coincide. The cubic root of 489146922 is about 787.9157375522.

The spelling of 489146922 in words is "four hundred eighty-nine million, one hundred forty-six thousand, nine hundred twenty-two".