2022222032221 has 16 divisors (see below), whose sum is σ = 2032936137648. Its totient is φ = 2011539712000.

The previous prime is 2022222032191. The next prime is 2022222032227. The reversal of 2022222032221 is 1222302222202.

It can be written as a sum of positive squares in 8 ways, for example, as 17905116100 + 2004316916121 = 133810^2 + 1415739^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022222032221 - 2³³ = 2013632097629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022222032192 and 2022222032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022222032227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462431391 + ... + 462435763.

It is an arithmetic number, because the mean of its divisors is an integer number (127058508603).

Almost surely, 2^{2022222032221} is an apocalyptic number.

It is an amenable number.

2022222032221 is a deficient number, since it is larger than the sum of its proper divisors (10714105427).

2022222032221 is a wasteful number, since it uses less digits than its factorization.

2022222032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7472.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2022222032221 its reverse (1222302222202), we get a palindrome (3244524254423).

The spelling of 2022222032221 in words is "two trillion, twenty-two billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-one".