506222506 has 8 divisors (see below), whose sum is σ = 759440484. Its totient is φ = 253075680.

The previous prime is 506222501. The next prime is 506222513. The reversal of 506222506 is 605222605.

It can be written as a sum of positive squares in 2 ways, for example, as 499120281 + 7102225 = 22341^2 + 2665^2 .

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

It is a super-2 number, since 2×506222506² = 512522451161840072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506222501) 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, 6796 + ... + 32536.

Almost surely, 2^506222506 is an apocalyptic number.

506222506 is a deficient number, since it is larger than the sum of its proper divisors (253217978).

506222506 is a wasteful number, since it uses less digits than its factorization.

506222506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35576.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 506222506 is about 22499.3890139266. The cubic root of 506222506 is about 796.9794986086.

Subtracting 506222506 from its reverse (605222605), we obtain a palindrome (99000099).

The spelling of 506222506 in words is "five hundred six million, two hundred twenty-two thousand, five hundred six".