32222301221 has 4 divisors (see below), whose sum is σ = 35151601344. Its totient is φ = 29293001100.

The previous prime is 32222301179. The next prime is 32222301233. The reversal of 32222301221 is 12210322223.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12210322223 = 11 ⋅1110029293.

It is not a de Polignac number, because 32222301221 - 2¹⁴ = 32222284837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32222301193 and 32222301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222301121) 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, 1464650045 + ... + 1464650066.

It is an arithmetic number, because the mean of its divisors is an integer number (8787900336).

Almost surely, 2^32222301221 is an apocalyptic number.

It is an amenable number.

32222301221 is a deficient number, since it is larger than the sum of its proper divisors (2929300123).

32222301221 is a wasteful number, since it uses less digits than its factorization.

32222301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929300122.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32222301221 its reverse (12210322223), we get a palindrome (44432623444).

The spelling of 32222301221 in words is "thirty-two billion, two hundred twenty-two million, three hundred one thousand, two hundred twenty-one".