545040222 has 32 divisors (see below), whose sum is σ = 1116994560. Its totient is φ = 177206400.

The previous prime is 545040193. The next prime is 545040227. The reversal of 545040222 is 222040545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545040192 and 545040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545040227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308979 + ... + 310737.

It is an arithmetic number, because the mean of its divisors is an integer number (34906080).

Almost surely, 2^545040222 is an apocalyptic number.

545040222 is an abundant number, since it is smaller than the sum of its proper divisors (571954338).

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

545040222 is a wasteful number, since it uses less digits than its factorization.

545040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 545040222 is about 23346.0965045551. The cubic root of 545040222 is about 816.8510110762.

Adding to 545040222 its reverse (222040545), we get a palindrome (767080767).

The spelling of 545040222 in words is "five hundred forty-five million, forty thousand, two hundred twenty-two".