493222261 has 8 divisors (see below), whose sum is σ = 566145920. Its totient is φ = 420914448.

The previous prime is 493222259. The next prime is 493222267. The reversal of 493222261 is 162222394.

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

It is a cyclic number.

It is not a de Polignac number, because 493222261 - 2¹ = 493222259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493222267) 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 7 ways as a sum of consecutive naturals, for example, 152241 + ... + 155446.

It is an arithmetic number, because the mean of its divisors is an integer number (70768240).

Almost surely, 2^493222261 is an apocalyptic number.

It is an amenable number.

493222261 is a deficient number, since it is larger than the sum of its proper divisors (72923659).

493222261 is a wasteful number, since it uses less digits than its factorization.

493222261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307923.

The product of its digits is 10368, while the sum is 31.

The square root of 493222261 is about 22208.6078131881. The cubic root of 493222261 is about 790.0978680227.

The spelling of 493222261 in words is "four hundred ninety-three million, two hundred twenty-two thousand, two hundred sixty-one".