1044022243 has 24 divisors (see below), whose sum is σ = 1200830400. Its totient is φ = 905815680.

The previous prime is 1044022159. The next prime is 1044022267. The reversal of 1044022243 is 3422204401.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1044022243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044022283) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 310630 + ... + 313972.

It is an arithmetic number, because the mean of its divisors is an integer number (50034600).

Almost surely, 2^1044022243 is an apocalyptic number.

1044022243 is a deficient number, since it is larger than the sum of its proper divisors (156808157).

1044022243 is a wasteful number, since it uses less digits than its factorization.

1044022243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1044022243 is about 32311.3330427576. Note that the first 3 decimals coincide. The cubic root of 1044022243 is about 1014.4638688667.

Adding to 1044022243 its reverse (3422204401), we get a palindrome (4466226644).

The spelling of 1044022243 in words is "one billion, forty-four million, twenty-two thousand, two hundred forty-three".