545221202022 has 48 divisors (see below), whose sum is σ = 1421127951360. Its totient is φ = 147578670576.

The previous prime is 545221202017. The next prime is 545221202051. The reversal of 545221202022 is 220202122545.

It is a happy number.

545221202022 is a `hidden beast` number, since 5 + 452 + 2 + 1 + 2 + 0 + 202 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 113870038 + ... + 113874825.

It is an arithmetic number, because the mean of its divisors is an integer number (29606832320).

Almost surely, 2^545221202022 is an apocalyptic number.

545221202022 is an abundant number, since it is smaller than the sum of its proper divisors (875906749338).

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

545221202022 is a wasteful number, since it uses less digits than its factorization.

545221202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227744897 (or 227744894 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 545221202022 its reverse (220202122545), we get a palindrome (765423324567).

The spelling of 545221202022 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, twenty-two".