545222110122 has 80 divisors (see below), whose sum is σ = 1297986984360. Its totient is φ = 170731193472.

The previous prime is 545222110109. The next prime is 545222110129. The reversal of 545222110122 is 221011222545.

545222110122 is a `hidden beast` number, since 5 + 4 + 522 + 2 + 1 + 10 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 454422943881 + 90799166241 = 674109^2 + 301329^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (545222110129) 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 39 ways as a sum of consecutive naturals, for example, 1394473 + ... + 1742124.

Almost surely, 2^545222110122 is an apocalyptic number.

545222110122 is an abundant number, since it is smaller than the sum of its proper divisors (752764874238).

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

545222110122 is a wasteful number, since it uses less digits than its factorization.

545222110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136677 (or 3136668 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 545222110122 its reverse (221011222545), we get a palindrome (766233332667).

The spelling of 545222110122 in words is "five hundred forty-five billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".