492221941 has 4 divisors (see below), whose sum is σ = 497296492. Its totient is φ = 487147392.

The previous prime is 492221921. The next prime is 492221953. The reversal of 492221941 is 149122294.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151044100 + 341177841 = 12290^2 + 18471^2 .

It is a cyclic number.

It is not a de Polignac number, because 492221941 - 2⁵ = 492221909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492221897 and 492221906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492221911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537130 + ... + 2537323.

It is an arithmetic number, because the mean of its divisors is an integer number (124324123).

Almost surely, 2^492221941 is an apocalyptic number.

It is an amenable number.

492221941 is a deficient number, since it is larger than the sum of its proper divisors (5074551).

492221941 is an equidigital number, since it uses as much as digits as its factorization.

492221941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074550.

The product of its digits is 10368, while the sum is 34.

The square root of 492221941 is about 22186.0753852501. The cubic root of 492221941 is about 789.5633655095.

The spelling of 492221941 in words is "four hundred ninety-two million, two hundred twenty-one thousand, nine hundred forty-one".