522030722 has 4 divisors (see below), whose sum is σ = 783046086. Its totient is φ = 261015360.

The previous prime is 522030697. The next prime is 522030727. The reversal of 522030722 is 227030225.

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

It can be written as a sum of positive squares in only one way, i.e., 521254561 + 776161 = 22831^2 + 881^2 .

It is not an unprimeable number, because it can be changed into a prime (522030727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130507679 + ... + 130507682.

Almost surely, 2^522030722 is an apocalyptic number.

522030722 is a deficient number, since it is larger than the sum of its proper divisors (261015364).

522030722 is a wasteful number, since it uses less digits than its factorization.

522030722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261015363.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 522030722 is about 22847.9916404046. The cubic root of 522030722 is about 805.1905838381.

Adding to 522030722 its reverse (227030225), we get a palindrome (749060947).

The spelling of 522030722 in words is "five hundred twenty-two million, thirty thousand, seven hundred twenty-two".