520245222 has 32 divisors (see below), whose sum is σ = 1190775552. Its totient is φ = 148436064.

The previous prime is 520245221. The next prime is 520245259. The reversal of 520245222 is 222542025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 520245192 and 520245201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520245221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23613 + ... + 39975.

It is an arithmetic number, because the mean of its divisors is an integer number (37211736).

Almost surely, 2^520245222 is an apocalyptic number.

520245222 is an abundant number, since it is smaller than the sum of its proper divisors (670530330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520245222 is a wasteful number, since it uses less digits than its factorization.

520245222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17132.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 520245222 is about 22808.8847162679. The cubic root of 520245222 is about 804.2715383158.

Adding to 520245222 its reverse (222542025), we get a palindrome (742787247).

The spelling of 520245222 in words is "five hundred twenty million, two hundred forty-five thousand, two hundred twenty-two".