1044223985 has 8 divisors (see below), whose sum is σ = 1432078656. Its totient is φ = 716039280.

The previous prime is 1044223981. The next prime is 1044223987. The reversal of 1044223985 is 5893224401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1044223985 - 2² = 1044223981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044223981) 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, 14917451 + ... + 14917520.

It is an arithmetic number, because the mean of its divisors is an integer number (179009832).

Almost surely, 2^1044223985 is an apocalyptic number.

It is an amenable number.

1044223985 is a deficient number, since it is larger than the sum of its proper divisors (387854671).

1044223985 is an equidigital number, since it uses as much as digits as its factorization.

1044223985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29834983.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1044223985 is about 32314.4547377795. The cubic root of 1044223985 is about 1014.5292080841.

The spelling of 1044223985 in words is "one billion, forty-four million, two hundred twenty-three thousand, nine hundred eighty-five".