522143464 has 8 divisors (see below), whose sum is σ = 979019010. Its totient is φ = 261071728.

The previous prime is 522143459. The next prime is 522143477. The reversal of 522143464 is 464341225.

It can be written as a sum of positive squares in only one way, i.e., 376748100 + 145395364 = 19410^2 + 12058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32633959 + ... + 32633974.

Almost surely, 2^522143464 is an apocalyptic number.

It is an amenable number.

522143464 is a deficient number, since it is larger than the sum of its proper divisors (456875546).

522143464 is a wasteful number, since it uses less digits than its factorization.

522143464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65267939 (or 65267935 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 522143464 is about 22850.4587262488. The cubic root of 522143464 is about 805.2485448345.

Adding to 522143464 its reverse (464341225), we get a palindrome (986484689).

The spelling of 522143464 in words is "five hundred twenty-two million, one hundred forty-three thousand, four hundred sixty-four".