1043221044 has 24 divisors (see below), whose sum is σ = 2436595168. Its totient is φ = 347395680.

The previous prime is 1043221043. The next prime is 1043221063. The reversal of 1043221044 is 4401223401.

1043221044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1043221044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043221043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30322 + ... + 54825.

Almost surely, 2^1043221044 is an apocalyptic number.

It is an amenable number.

1043221044 is an abundant number, since it is smaller than the sum of its proper divisors (1393374124).

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

1043221044 is a wasteful number, since it uses less digits than its factorization.

1043221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86175 (or 86173 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1043221044 is about 32298.9325520210. The cubic root of 1043221044 is about 1014.2042973085.

Adding to 1043221044 its reverse (4401223401), we get a palindrome (5444444445).

The spelling of 1043221044 in words is "one billion, forty-three million, two hundred twenty-one thousand, forty-four".