506556222 has 8 divisors (see below), whose sum is σ = 1013112456. Its totient is φ = 168852072.

The previous prime is 506556203. The next prime is 506556223. The reversal of 506556222 is 222655605.

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

506556222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506556223) 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, 42213013 + ... + 42213024.

It is an arithmetic number, because the mean of its divisors is an integer number (126639057).

Almost surely, 2^506556222 is an apocalyptic number.

506556222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

506556222 is a wasteful number, since it uses less digits than its factorization.

506556222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84426042.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 506556222 is about 22506.8039045974. The cubic root of 506556222 is about 797.1545905131.

The spelling of 506556222 in words is "five hundred six million, five hundred fifty-six thousand, two hundred twenty-two".