1044223345 has 48 divisors (see below), whose sum is σ = 1453406976. Its totient is φ = 718256000.

The previous prime is 1044223319. The next prime is 1044223403. The reversal of 1044223345 is 5433224401.

It is a happy number.

It is not a de Polignac number, because 1044223345 - 2¹⁹ = 1043699057 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405044 + ... + 1405786.

It is an arithmetic number, because the mean of its divisors is an integer number (30279312).

Almost surely, 2^1044223345 is an apocalyptic number.

It is an amenable number.

1044223345 is a deficient number, since it is larger than the sum of its proper divisors (409183631).

1044223345 is a wasteful number, since it uses less digits than its factorization.

1044223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1044223345 is about 32314.4448350888. Note that the first 3 decimals coincide. The cubic root of 1044223345 is about 1014.5290008173.

Adding to 1044223345 its reverse (5433224401), we get a palindrome (6477447746).

The spelling of 1044223345 in words is "one billion, forty-four million, two hundred twenty-three thousand, three hundred forty-five".