489621222 has 48 divisors (see below), whose sum is σ = 1146890160. Its totient is φ = 150434496.

The previous prime is 489621191. The next prime is 489621229. The reversal of 489621222 is 222126984.

489621222 is a `hidden beast` number, since 4 + 8 + 9 + 621 + 2 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489621229) 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, 6693 + ... + 32000.

It is an arithmetic number, because the mean of its divisors is an integer number (23893545).

Almost surely, 2^489621222 is an apocalyptic number.

489621222 is an abundant number, since it is smaller than the sum of its proper divisors (657268938).

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

489621222 is a wasteful number, since it uses less digits than its factorization.

489621222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38757 (or 38754 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 489621222 is about 22127.3862441997. The cubic root of 489621222 is about 788.1703220775.

The spelling of 489621222 in words is "four hundred eighty-nine million, six hundred twenty-one thousand, two hundred twenty-two".