520000222 has 8 divisors (see below), whose sum is σ = 891428976. Its totient is φ = 222857232.

The previous prime is 520000193. The next prime is 520000223. The reversal of 520000222 is 222000025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520000223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18571423 + ... + 18571450.

It is an arithmetic number, because the mean of its divisors is an integer number (111428622).

Almost surely, 2^520000222 is an apocalyptic number.

520000222 is a deficient number, since it is larger than the sum of its proper divisors (371428754).

520000222 is a wasteful number, since it uses less digits than its factorization.

520000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37142882.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 520000222 is about 22803.5133696542. The cubic root of 520000222 is about 804.1452661538.

Adding to 520000222 its reverse (222000025), we get a palindrome (742000247).

The spelling of 520000222 in words is "five hundred twenty million, two hundred twenty-two", and thus it is an aban number.