545722122 has 16 divisors (see below), whose sum is σ = 1190666592. Its totient is φ = 165370320.

The previous prime is 545722091. The next prime is 545722141. The reversal of 545722122 is 221227545.

It is a self number, because there is not a number n which added to its sum of digits gives 545722122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134193 + ... + 4134324.

It is an arithmetic number, because the mean of its divisors is an integer number (74416662).

Almost surely, 2^545722122 is an apocalyptic number.

545722122 is an abundant number, since it is smaller than the sum of its proper divisors (644944470).

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

545722122 is a wasteful number, since it uses less digits than its factorization.

545722122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268533.

The product of its digits is 11200, while the sum is 30.

The square root of 545722122 is about 23360.6960940808. The cubic root of 545722122 is about 817.1915232997.

Adding to 545722122 its reverse (221227545), we get a palindrome (766949667).

The spelling of 545722122 in words is "five hundred forty-five million, seven hundred twenty-two thousand, one hundred twenty-two".