1044532220 has 24 divisors (see below), whose sum is σ = 2308966800. Its totient is φ = 395822592.

The previous prime is 1044532217. The next prime is 1044532231. The reversal of 1044532220 is 222354401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374005 + ... + 1374764.

It is an arithmetic number, because the mean of its divisors is an integer number (96206950).

Almost surely, 2^1044532220 is an apocalyptic number.

1044532220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044532220 is an abundant number, since it is smaller than the sum of its proper divisors (1264434580).

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

1044532220 is a wasteful number, since it uses less digits than its factorization.

1044532220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748797 (or 2748795 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1044532220 is about 32319.2236911718. The cubic root of 1044532220 is about 1014.6290214865.

Adding to 1044532220 its reverse (222354401), we get a palindrome (1266886621).

The spelling of 1044532220 in words is "one billion, forty-four million, five hundred thirty-two thousand, two hundred twenty".