545222402225 has 6 divisors (see below), whose sum is σ = 676075778790. Its totient is φ = 436177921760.

The previous prime is 545222402209. The next prime is 545222402267. The reversal of 545222402225 is 522204222545.

It can be written as a sum of positive squares in 3 ways, for example, as 96756457249 + 448465944976 = 311057^2 + 669676^2 .

It is not a de Polignac number, because 545222402225 - 2⁴ = 545222402209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10904448020 + ... + 10904448069.

It is an arithmetic number, because the mean of its divisors is an integer number (112679296465).

Almost surely, 2^545222402225 is an apocalyptic number.

It is an amenable number.

545222402225 is a deficient number, since it is larger than the sum of its proper divisors (130853376565).

545222402225 is a wasteful number, since it uses less digits than its factorization.

545222402225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808896099 (or 21808896094 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 545222402225 in words is "five hundred forty-five billion, two hundred twenty-two million, four hundred two thousand, two hundred twenty-five".