1002223321 has 16 divisors (see below), whose sum is σ = 1207986048. Its totient is φ = 820230400.

The previous prime is 1002223307. The next prime is 1002223349. The reversal of 1002223321 is 1233222001.

It is not a de Polignac number, because 1002223321 - 2⁵ = 1002223289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002223295 and 1002223304.

It is not an unprimeable number, because it can be changed into a prime (1002223301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112210 + ... + 120811.

It is an arithmetic number, because the mean of its divisors is an integer number (75499128).

Almost surely, 2^1002223321 is an apocalyptic number.

1002223321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002223321 is a deficient number, since it is larger than the sum of its proper divisors (205762727).

1002223321 is a wasteful number, since it uses less digits than its factorization.

1002223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233072.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1002223321 is about 31657.9108754826. The cubic root of 1002223321 is about 1000.7405584378.

Adding to 1002223321 its reverse (1233222001), we get a palindrome (2235445322).

The spelling of 1002223321 in words is "one billion, two million, two hundred twenty-three thousand, three hundred twenty-one".