491222 has 8 divisors (see below), whose sum is σ = 746400. Its totient is φ = 242424.

The previous prime is 491219. The next prime is 491251. The reversal of 491222 is 222194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 491194 and 491203.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 491222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (93300).

2⁴⁹¹²²² is an apocalyptic number.

491222 is a deficient number, since it is larger than the sum of its proper divisors (255178).

491222 is a wasteful number, since it uses less digits than its factorization.

491222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190.

The product of its digits is 288, while the sum is 20.

The square root of 491222 is about 700.8723136207. The cubic root of 491222 is about 78.9028341265.

The spelling of 491222 in words is "four hundred ninety-one thousand, two hundred twenty-two".