315225522225 has 36 divisors (see below), whose sum is σ = 565245157932. Its totient is φ = 167929344000.

The previous prime is 315225522191. The next prime is 315225522281. The reversal of 315225522225 is 522225522513.

315225522225 is a `hidden beast` number, since 31 + 52 + 2 + 552 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 16070125824 + 299155396401 = 126768^2 + 546951^2 .

It is not a de Polignac number, because 315225522225 - 2¹⁵ = 315225489457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315225522225.

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 in 35 ways as a sum of consecutive naturals, for example, 596896 + ... + 993345.

It is an arithmetic number, because the mean of its divisors is an integer number (15701254387).

Almost surely, 2^315225522225 is an apocalyptic number.

It is an amenable number.

315225522225 is a deficient number, since it is larger than the sum of its proper divisors (250019635707).

315225522225 is a wasteful number, since it uses less digits than its factorization.

315225522225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591138 (or 1591130 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The spelling of 315225522225 in words is "three hundred fifteen billion, two hundred twenty-five million, five hundred twenty-two thousand, two hundred twenty-five".