522215772073 has 4 divisors (see below), whose sum is σ = 522273490900. Its totient is φ = 522158053248.

The previous prime is 522215772037. The next prime is 522215772083. The reversal of 522215772073 is 370277512225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 485156827024 + 37058945049 = 696532^2 + 192507^2 .

It is a cyclic number.

It is not a de Polignac number, because 522215772073 - 2³³ = 513625837481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522215772083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28845840 + ... + 28863937.

It is an arithmetic number, because the mean of its divisors is an integer number (130568372725).

Almost surely, 2^522215772073 is an apocalyptic number.

It is an amenable number.

522215772073 is a deficient number, since it is larger than the sum of its proper divisors (57718827).

522215772073 is an equidigital number, since it uses as much as digits as its factorization.

522215772073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57718826.

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 522215772073 in words is "five hundred twenty-two billion, two hundred fifteen million, seven hundred seventy-two thousand, seventy-three".