22202223202221 has 32 divisors (see below), whose sum is σ = 30006902435328. Its totient is φ = 14600092167360.

The previous prime is 22202223202207. The next prime is 22202223202297. The reversal of 22202223202221 is 12220232220222.

It is not a de Polignac number, because 22202223202221 - 2¹⁹ = 22202222677933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22202223202191 and 22202223202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202223202421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474920970 + ... + 474967716.

It is an arithmetic number, because the mean of its divisors is an integer number (937715701104).

Almost surely, 2^{22202223202221} is an apocalyptic number.

It is an amenable number.

22202223202221 is a deficient number, since it is larger than the sum of its proper divisors (7804679233107).

22202223202221 is a wasteful number, since it uses less digits than its factorization.

22202223202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49801.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22202223202221 its reverse (12220232220222), we get a palindrome (34422455422443).

The spelling of 22202223202221 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-three million, two hundred two thousand, two hundred twenty-one".