513505450222 has 4 divisors (see below), whose sum is σ = 770258175336. Its totient is φ = 256752725110.

The previous prime is 513505450189. The next prime is 513505450259. The reversal of 513505450222 is 222054505315.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128376362554 + ... + 128376362557.

It is an arithmetic number, because the mean of its divisors is an integer number (192564543834).

Almost surely, 2^513505450222 is an apocalyptic number.

513505450222 is a deficient number, since it is larger than the sum of its proper divisors (256752725114).

513505450222 is a wasteful number, since it uses less digits than its factorization.

513505450222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256752725113.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 513505450222 its reverse (222054505315), we get a palindrome (735559955537).

The spelling of 513505450222 in words is "five hundred thirteen billion, five hundred five million, four hundred fifty thousand, two hundred twenty-two".