1044221402 has 8 divisors (see below), whose sum is σ = 1790093856. Its totient is φ = 447523452.

The previous prime is 1044221401. The next prime is 1044221407. The reversal of 1044221402 is 2041224401.

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

It is not an unprimeable number, because it can be changed into a prime (1044221401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37293608 + ... + 37293635.

It is an arithmetic number, because the mean of its divisors is an integer number (223761732).

Almost surely, 2^1044221402 is an apocalyptic number.

1044221402 is a deficient number, since it is larger than the sum of its proper divisors (745872454).

1044221402 is an equidigital number, since it uses as much as digits as its factorization.

1044221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74587252.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1044221402 is about 32314.4147711203. The cubic root of 1044221402 is about 1014.5283715678.

Adding to 1044221402 its reverse (2041224401), we get a palindrome (3085445803).

Subtracting 1044221402 from its reverse (2041224401), we obtain a cube (997002999 = 999³).

The spelling of 1044221402 in words is "one billion, forty-four million, two hundred twenty-one thousand, four hundred two".