522002222 has 8 divisors (see below), whose sum is σ = 894860976. Its totient is φ = 223715232.

The previous prime is 522002207. The next prime is 522002237. The reversal of 522002222 is 222200225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (522002207) and next prime (522002237).

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

It is a self number, because there is not a number n which added to its sum of digits gives 522002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18642923 + ... + 18642950.

It is an arithmetic number, because the mean of its divisors is an integer number (111857622).

Almost surely, 2^522002222 is an apocalyptic number.

522002222 is a deficient number, since it is larger than the sum of its proper divisors (372858754).

522002222 is a wasteful number, since it uses less digits than its factorization.

522002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37285882.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 522002222 is about 22847.3679446889. The cubic root of 522002222 is about 805.1759305822.

Adding to 522002222 its reverse (222200225), we get a palindrome (744202447).

The spelling of 522002222 in words is "five hundred twenty-two million, two thousand, two hundred twenty-two".