5445222044 has 18 divisors (see below), whose sum is σ = 9846452952. Its totient is φ = 2634783000.

The previous prime is 5445222007. The next prime is 5445222049. The reversal of 5445222044 is 4402225445.

It is a self number, because there is not a number n which added to its sum of digits gives 5445222044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445222049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 704432 + ... + 712119.

It is an arithmetic number, because the mean of its divisors is an integer number (547025164).

Almost surely, 2^5445222044 is an apocalyptic number.

It is an amenable number.

5445222044 is a deficient number, since it is larger than the sum of its proper divisors (4401230908).

5445222044 is a wasteful number, since it uses less digits than its factorization.

5445222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416617 (or 1416584 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 5445222044 is about 73791.7478042091. The cubic root of 5445222044 is about 1759.2944447232.

Adding to 5445222044 its reverse (4402225445), we get a palindrome (9847447489).

The spelling of 5445222044 in words is "five billion, four hundred forty-five million, two hundred twenty-two thousand, forty-four".