520222452 has 24 divisors (see below), whose sum is σ = 1214576832. Its totient is φ = 173304000.

The previous prime is 520222397. The next prime is 520222453. The reversal of 520222452 is 254222025.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520222453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9577 + ... + 33647.

It is an arithmetic number, because the mean of its divisors is an integer number (50607368).

Almost surely, 2^520222452 is an apocalyptic number.

It is an amenable number.

520222452 is an abundant number, since it is smaller than the sum of its proper divisors (694354380).

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

520222452 is a wasteful number, since it uses less digits than its factorization.

520222452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25879 (or 25877 counting only the distinct ones).

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

The square root of 520222452 is about 22808.3855632090. The cubic root of 520222452 is about 804.2598044069.

Adding to 520222452 its reverse (254222025), we get a palindrome (774444477).

The spelling of 520222452 in words is "five hundred twenty million, two hundred twenty-two thousand, four hundred fifty-two".