315222530004 has 18 divisors (see below), whose sum is σ = 796812506490. Its totient is φ = 105074176656.

The previous prime is 315222529997. The next prime is 315222530009. The reversal of 315222530004 is 400035222513.

It is a happy number.

315222530004 is a `hidden beast` number, since 315 + 22 + 25 + 300 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 158999967504 + 156222562500 = 398748^2 + 395250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 315222530004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315222530009) 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 5 ways as a sum of consecutive naturals, for example, 4378090659 + ... + 4378090730.

Almost surely, 2^315222530004 is an apocalyptic number.

It is an amenable number.

315222530004 is an abundant number, since it is smaller than the sum of its proper divisors (481589976486).

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

315222530004 is a wasteful number, since it uses less digits than its factorization.

315222530004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756181399 (or 8756181394 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 315222530004 its reverse (400035222513), we get a palindrome (715257752517).

The spelling of 315222530004 in words is "three hundred fifteen billion, two hundred twenty-two million, five hundred thirty thousand, four".