512222 has 8 divisors (see below), whose sum is σ = 772896. Its totient is φ = 254592.

The previous prime is 512207. The next prime is 512249. The reversal of 512222 is 222215.

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

It is a junction number, because it is equal to n+sod(n) for n = 512197 and 512206.

It is a congruent number.

It is an unprimeable number.

512222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (96612).

2⁵¹²²²² is an apocalyptic number.

512222 is a deficient number, since it is larger than the sum of its proper divisors (260674).

512222 is a wasteful number, since it uses less digits than its factorization.

512222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522.

The product of its digits is 80, while the sum is 14.

The square root of 512222 is about 715.6968632040. The cubic root of 512222 is about 80.0115608293.

Adding to 512222 its reverse (222215), we get a palindrome (734437).

The spelling of 512222 in words is "five hundred twelve thousand, two hundred twenty-two".