22202133322221 has 6 divisors (see below), whose sum is σ = 32069748132110. Its totient is φ = 14801422214808.

The previous prime is 22202133322169. The next prime is 22202133322277. The reversal of 22202133322221 is 12222333120222.

22202133322221 is a `hidden beast` number, since 2 + 2 + 202 + 133 + 322 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19754566941321 + 2447566380900 = 4444611^2 + 1564470^2 .

It is not a de Polignac number, because 22202133322221 - 2³⁵ = 22167773583853 is a prime.

It is a super-2 number, since 2×22202133322221² (a number of 27 digits) contains 22 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 (22202133322321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233451851226 + ... + 1233451851243.

Almost surely, 2^{22202133322221} is an apocalyptic number.

It is an amenable number.

22202133322221 is a deficient number, since it is larger than the sum of its proper divisors (9867614809889).

22202133322221 is a wasteful number, since it uses less digits than its factorization.

22202133322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466903702475 (or 2466903702472 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22202133322221 its reverse (12222333120222), we get a palindrome (34424466442443).

The spelling of 22202133322221 in words is "twenty-two trillion, two hundred two billion, one hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty-one".