522423214221 has 8 divisors (see below), whose sum is σ = 701648697024. Its totient is φ = 345739937120.

The previous prime is 522423214211. The next prime is 522423214231. The reversal of 522423214221 is 122412324225.

It is an interprime number because it is at equal distance from previous prime (522423214211) and next prime (522423214231).

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

It is a cyclic number.

It is not a de Polignac number, because 522423214221 - 2⁵ = 522423214189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522423214211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635550945 + ... + 635551766.

It is an arithmetic number, because the mean of its divisors is an integer number (87706087128).

Almost surely, 2^522423214221 is an apocalyptic number.

It is an amenable number.

522423214221 is a deficient number, since it is larger than the sum of its proper divisors (179225482803).

522423214221 is a wasteful number, since it uses less digits than its factorization.

522423214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271102851.

The product of its digits is 15360, while the sum is 30.

Adding to 522423214221 its reverse (122412324225), we get a palindrome (644835538446).

The spelling of 522423214221 in words is "five hundred twenty-two billion, four hundred twenty-three million, two hundred fourteen thousand, two hundred twenty-one".