222202022212221 has 16 divisors (see below), whose sum is σ = 300449072891520. Its totient is φ = 146044922365440.

The previous prime is 222202022212153. The next prime is 222202022212231. The reversal of 222202022212221 is 122212220202222.

222202022212221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222202022212221 - 2⁹ = 222202022211709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222202022212191 and 222202022212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202022212231) 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, 2672140 + ... + 21249573.

It is an arithmetic number, because the mean of its divisors is an integer number (18778067055720).

Almost surely, 2^{222202022212221} is an apocalyptic number.

It is an amenable number.

222202022212221 is a deficient number, since it is larger than the sum of its proper divisors (78247050679299).

222202022212221 is a wasteful number, since it uses less digits than its factorization.

222202022212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965396.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222202022212221 its reverse (122212220202222), we get a palindrome (344414242414443).

The spelling of 222202022212221 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-two million, two hundred twelve thousand, two hundred twenty-one".