491050822 has 8 divisors (see below), whose sum is σ = 736781616. Its totient is φ = 245456952.

The previous prime is 491050817. The next prime is 491050829. The reversal of 491050822 is 228050194.

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

It is a super-2 number, since 2×491050822² = 482261819573751368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491050829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24738 + ... + 39925.

It is an arithmetic number, because the mean of its divisors is an integer number (92097702).

Almost surely, 2^491050822 is an apocalyptic number.

491050822 is a deficient number, since it is larger than the sum of its proper divisors (245730794).

491050822 is a wasteful number, since it uses less digits than its factorization.

491050822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68462.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 491050822 is about 22159.6665588632. Note that the first 3 decimals coincide. The cubic root of 491050822 is about 788.9366787142.

Subtracting from 491050822 its sum of digits (31), we obtain a triangular number (491050791 = T₃₁₃₃₈).

The spelling of 491050822 in words is "four hundred ninety-one million, fifty thousand, eight hundred twenty-two".