520622222072 has 16 divisors (see below), whose sum is σ = 977370336600. Its totient is φ = 259990132320.

The previous prime is 520622222051. The next prime is 520622222117. The reversal of 520622222072 is 270222226025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40115447 + ... + 40128422.

Almost surely, 2^520622222072 is an apocalyptic number.

It is an amenable number.

520622222072 is a deficient number, since it is larger than the sum of its proper divisors (456748114528).

520622222072 is a wasteful number, since it uses less digits than its factorization.

520622222072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80244686 (or 80244682 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 520622222072 its reverse (270222226025), we get a palindrome (790844448097).

The spelling of 520622222072 in words is "five hundred twenty billion, six hundred twenty-two million, two hundred twenty-two thousand, seventy-two".