522200221 has 4 divisors (see below), whose sum is σ = 533310912. Its totient is φ = 511089532.

The previous prime is 522200207. The next prime is 522200269. The reversal of 522200221 is 122002225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522200221 - 2¹⁹ = 521675933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522200195 and 522200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522200281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555275 + ... + 5555368.

It is an arithmetic number, because the mean of its divisors is an integer number (133327728).

Almost surely, 2^522200221 is an apocalyptic number.

It is an amenable number.

522200221 is a deficient number, since it is larger than the sum of its proper divisors (11110691).

522200221 is a wasteful number, since it uses less digits than its factorization.

522200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110690.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 522200221 is about 22851.7006150527. The cubic root of 522200221 is about 805.2777206191.

Adding to 522200221 its reverse (122002225), we get a palindrome (644202446).

The spelling of 522200221 in words is "five hundred twenty-two million, two hundred thousand, two hundred twenty-one".