492221508 has 48 divisors (see below), whose sum is σ = 1194574080. Its totient is φ = 157607424.

The previous prime is 492221497. The next prime is 492221537. The reversal of 492221508 is 805122294.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28060 + ... + 42092.

It is an arithmetic number, because the mean of its divisors is an integer number (24886960).

Almost surely, 2^492221508 is an apocalyptic number.

It is an amenable number.

492221508 is an abundant number, since it is smaller than the sum of its proper divisors (702352572).

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

492221508 is a wasteful number, since it uses less digits than its factorization.

492221508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156 (or 14154 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 492221508 is about 22186.0656268749. The cubic root of 492221508 is about 789.5631339873.

The spelling of 492221508 in words is "four hundred ninety-two million, two hundred twenty-one thousand, five hundred eight".