522672447 has 24 divisors (see below), whose sum is σ = 799327872. Its totient is φ = 302993680.

The previous prime is 522672391. The next prime is 522672473. The reversal of 522672447 is 744276225.

It is a happy number.

It is not a de Polignac number, because 522672447 - 2¹⁸ = 522410303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522673447) 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 23 ways as a sum of consecutive naturals, for example, 22953 + ... + 39650.

It is an arithmetic number, because the mean of its divisors is an integer number (33305328).

Almost surely, 2^522672447 is an apocalyptic number.

522672447 is a deficient number, since it is larger than the sum of its proper divisors (276655425).

522672447 is a wasteful number, since it uses less digits than its factorization.

522672447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62651 (or 62640 counting only the distinct ones).

The product of its digits is 188160, while the sum is 39.

The square root of 522672447 is about 22862.0306840840. The cubic root of 522672447 is about 805.5203852090.

The spelling of 522672447 in words is "five hundred twenty-two million, six hundred seventy-two thousand, four hundred forty-seven".