520222630 has 8 divisors (see below), whose sum is σ = 936400752. Its totient is φ = 208089048.

The previous prime is 520222567. The next prime is 520222721. The reversal of 520222630 is 36222025.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26011122 + ... + 26011141.

It is an arithmetic number, because the mean of its divisors is an integer number (117050094).

Almost surely, 2^520222630 is an apocalyptic number.

520222630 is a deficient number, since it is larger than the sum of its proper divisors (416178122).

520222630 is a wasteful number, since it uses less digits than its factorization.

520222630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52022270.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 520222630 is about 22808.3894652823. The cubic root of 520222630 is about 804.2598961358.

Adding to 520222630 its reverse (36222025), we get a palindrome (556444655).

The spelling of 520222630 in words is "five hundred twenty million, two hundred twenty-two thousand, six hundred thirty".