1003322221 has 4 divisors (see below), whose sum is σ = 1094533344. Its totient is φ = 912111100.

The previous prime is 1003322209. The next prime is 1003322231. The reversal of 1003322221 is 1222233001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1003322221 - 2¹¹ = 1003320173 is a prime.

It is a super-3 number, since 3×1003322221³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003322195 and 1003322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003322231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45605545 + ... + 45605566.

It is an arithmetic number, because the mean of its divisors is an integer number (273633336).

Almost surely, 2^1003322221 is an apocalyptic number.

1003322221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003322221 is a deficient number, since it is larger than the sum of its proper divisors (91211123).

1003322221 is an equidigital number, since it uses as much as digits as its factorization.

1003322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91211122.

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

The square root of 1003322221 is about 31675.2619720816. The cubic root of 1003322221 is about 1001.1061829082.

Adding to 1003322221 its reverse (1222233001), we get a palindrome (2225555222).

The spelling of 1003322221 in words is "one billion, three million, three hundred twenty-two thousand, two hundred twenty-one".