225642363246522 has 64 divisors (see below), whose sum is σ = 522665830285440. Its totient is φ = 72089048642688.

The previous prime is 225642363246481. The next prime is 225642363246563.

225642363246522 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 4 + 236 + 324 + 65 + 22 = 666.

225642363246522 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (225642363246481) and next prime (225642363246563).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842658043 + ... + 842925774.

It is an arithmetic number, because the mean of its divisors is an integer number (8166653598210).

Almost surely, 2^{225642363246522} is an apocalyptic number.

225642363246522 is an abundant number, since it is smaller than the sum of its proper divisors (297023467038918).

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

225642363246522 is a wasteful number, since it uses less digits than its factorization.

225642363246522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685583932 (or 1685583926 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 54.

The spelling of 225642363246522 in words is "two hundred twenty-five trillion, six hundred forty-two billion, three hundred sixty-three million, two hundred forty-six thousand, five hundred twenty-two".