513225361222 has 16 divisors (see below), whose sum is σ = 880184166912. Its totient is φ = 219861410760.

The previous prime is 513225361169. The next prime is 513225361241. The reversal of 513225361222 is 222163522315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7658404 + ... + 7725127.

It is an arithmetic number, because the mean of its divisors is an integer number (55011510432).

Almost surely, 2^513225361222 is an apocalyptic number.

513225361222 is a deficient number, since it is larger than the sum of its proper divisors (366958805690).

513225361222 is a wasteful number, since it uses less digits than its factorization.

513225361222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15385923.

The product of its digits is 43200, while the sum is 34.

Adding to 513225361222 its reverse (222163522315), we get a palindrome (735388883537).

The spelling of 513225361222 in words is "five hundred thirteen billion, two hundred twenty-five million, three hundred sixty-one thousand, two hundred twenty-two".