2232003321221 has 4 divisors (see below), whose sum is σ = 2363297634252. Its totient is φ = 2100709008192.

The previous prime is 2232003321211. The next prime is 2232003321257. The reversal of 2232003321221 is 1221233002322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1712666898721 + 519336422500 = 1308689^2 + 720650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232003321221 - 2¹⁴ = 2232003304837 is a prime.

It is a super-3 number, since 3×2232003321221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232003321211) 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, 65647156490 + ... + 65647156523.

It is an arithmetic number, because the mean of its divisors is an integer number (590824408563).

Almost surely, 2^{2232003321221} is an apocalyptic number.

It is an amenable number.

2232003321221 is a deficient number, since it is larger than the sum of its proper divisors (131294313031).

2232003321221 is a wasteful number, since it uses less digits than its factorization.

2232003321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131294313030.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2232003321221 its reverse (1221233002322), we get a palindrome (3453236323543).

The spelling of 2232003321221 in words is "two trillion, two hundred thirty-two billion, three million, three hundred twenty-one thousand, two hundred twenty-one".