522222112 has 12 divisors (see below), whose sum is σ = 1028124846. Its totient is φ = 261111040.

The previous prime is 522222089. The next prime is 522222191. The reversal of 522222112 is 211222225.

It can be written as a sum of positive squares in only one way, i.e., 471584656 + 50637456 = 21716^2 + 7116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 522222112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8159689 + ... + 8159752.

Almost surely, 2^522222112 is an apocalyptic number.

It is an amenable number.

522222112 is a deficient number, since it is larger than the sum of its proper divisors (505902734).

522222112 is a wasteful number, since it uses less digits than its factorization.

522222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319451 (or 16319443 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 522222112 is about 22852.1795897022. The cubic root of 522222112 is about 805.2889730644.

Adding to 522222112 its reverse (211222225), we get a palindrome (733444337).

The spelling of 522222112 in words is "five hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".