512464222 has 4 divisors (see below), whose sum is σ = 768696336. Its totient is φ = 256232110.

The previous prime is 512464217. The next prime is 512464229. The reversal of 512464222 is 222464215.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512464229) 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 as a sum of consecutive naturals, namely, 128116054 + ... + 128116057.

It is an arithmetic number, because the mean of its divisors is an integer number (192174084).

Almost surely, 2^512464222 is an apocalyptic number.

512464222 is a deficient number, since it is larger than the sum of its proper divisors (256232114).

512464222 is a wasteful number, since it uses less digits than its factorization.

512464222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256232113.

The product of its digits is 7680, while the sum is 28.

The square root of 512464222 is about 22637.6726277239. The cubic root of 512464222 is about 800.2417092551.

The spelling of 512464222 in words is "five hundred twelve million, four hundred sixty-four thousand, two hundred twenty-two".