1004221223 has 16 divisors (see below), whose sum is σ = 1076121600. Its totient is φ = 935474400.

The previous prime is 1004221201. The next prime is 1004221237. The reversal of 1004221223 is 3221224001.

It is a cyclic number.

It is not a de Polignac number, because 1004221223 - 2²² = 1000026919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004221243) 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 15 ways as a sum of consecutive naturals, for example, 83228 + ... + 94526.

It is an arithmetic number, because the mean of its divisors is an integer number (67257600).

Almost surely, 2^1004221223 is an apocalyptic number.

1004221223 is a deficient number, since it is larger than the sum of its proper divisors (71900377).

1004221223 is a wasteful number, since it uses less digits than its factorization.

1004221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1004221223 is about 31689.4497112209. The cubic root of 1004221223 is about 1001.4050991051.

Adding to 1004221223 its reverse (3221224001), we get a palindrome (4225445224).

The spelling of 1004221223 in words is "one billion, four million, two hundred twenty-one thousand, two hundred twenty-three".