22003133221 has 8 divisors (see below), whose sum is σ = 23141458944. Its totient is φ = 20891591760.

The previous prime is 22003133197. The next prime is 22003133227. The reversal of 22003133221 is 12233130022.

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

It is a cyclic number.

It is not a de Polignac number, because 22003133221 - 2⁵ = 22003133189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003133227) 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, 6694381 + ... + 6697666.

It is an arithmetic number, because the mean of its divisors is an integer number (2892682368).

Almost surely, 2^22003133221 is an apocalyptic number.

It is an amenable number.

22003133221 is a deficient number, since it is larger than the sum of its proper divisors (1138325723).

22003133221 is a wasteful number, since it uses less digits than its factorization.

22003133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13392131.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22003133221 its reverse (12233130022), we get a palindrome (34236263243).

The spelling of 22003133221 in words is "twenty-two billion, three million, one hundred thirty-three thousand, two hundred twenty-one".