544422330 has 64 divisors (see below), whose sum is σ = 1463316480. Its totient is φ = 144027072.

The previous prime is 544422311. The next prime is 544422337. The reversal of 544422330 is 33224445.

544422330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 544422294 and 544422303.

It is not an unprimeable number, because it can be changed into a prime (544422337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26352 + ... + 42228.

It is an arithmetic number, because the mean of its divisors is an integer number (22864320).

Almost surely, 2^544422330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544422330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731658240).

544422330 is an abundant number, since it is smaller than the sum of its proper divisors (918894150).

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

544422330 is a wasteful number, since it uses less digits than its factorization.

544422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020 (or 16014 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 544422330 is about 23332.8594475688. The cubic root of 544422330 is about 816.5422164011.

Adding to 544422330 its reverse (33224445), we get a palindrome (577646775).

The spelling of 544422330 in words is "five hundred forty-four million, four hundred twenty-two thousand, three hundred thirty".