22003332231221 has 8 divisors (see below), whose sum is σ = 24003725225088. Its totient is φ = 20002954248000.

The previous prime is 22003332231217. The next prime is 22003332231239. The reversal of 22003332231221 is 12213223330022.

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 22003332231221 - 2² = 22003332231217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003332231281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570365 + ... + 6658226.

It is an arithmetic number, because the mean of its divisors is an integer number (3000465653136).

Almost surely, 2^{22003332231221} is an apocalyptic number.

It is an amenable number.

22003332231221 is a deficient number, since it is larger than the sum of its proper divisors (2000392993867).

22003332231221 is a wasteful number, since it uses less digits than its factorization.

22003332231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505323.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 22003332231221 its reverse (12213223330022), we get a palindrome (34216555561243).

The spelling of 22003332231221 in words is "twenty-two trillion, three billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred twenty-one".