522073464 has 32 divisors (see below), whose sum is σ = 1423837440. Its totient is φ = 158204000.

The previous prime is 522073463. The next prime is 522073471. The reversal of 522073464 is 464370225.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522073463) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 988512 + ... + 989039.

It is an arithmetic number, because the mean of its divisors is an integer number (44494920).

Almost surely, 2^522073464 is an apocalyptic number.

It is an amenable number.

522073464 is an abundant number, since it is smaller than the sum of its proper divisors (901763976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522073464 is a wasteful number, since it uses less digits than its factorization.

522073464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977571 (or 1977567 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 522073464 is about 22848.9269769939. The cubic root of 522073464 is about 805.2125586091.

The spelling of 522073464 in words is "five hundred twenty-two million, seventy-three thousand, four hundred sixty-four".