513245222 has 8 divisors (see below), whose sum is σ = 879848976. Its totient is φ = 219962232.

The previous prime is 513245179. The next prime is 513245237. The reversal of 513245222 is 222542315.

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 = 513245191 and 513245200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18330173 + ... + 18330200.

It is an arithmetic number, because the mean of its divisors is an integer number (109981122).

Almost surely, 2^513245222 is an apocalyptic number.

513245222 is a deficient number, since it is larger than the sum of its proper divisors (366603754).

513245222 is a wasteful number, since it uses less digits than its factorization.

513245222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36660382.

The product of its digits is 4800, while the sum is 26.

The square root of 513245222 is about 22654.9160669379. The cubic root of 513245222 is about 800.6480280578.

Adding to 513245222 its reverse (222542315), we get a palindrome (735787537).

The spelling of 513245222 in words is "five hundred thirteen million, two hundred forty-five thousand, two hundred twenty-two".