222022212120221 has 8 divisors (see below), whose sum is σ = 224722010452800. Its totient is φ = 219323005024032.

The previous prime is 222022212120157. The next prime is 222022212120229. The reversal of 222022212120221 is 122021212220222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222022212120221 - 2⁶ = 222022212120157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022212120229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147053465 + ... + 148555598.

It is an arithmetic number, because the mean of its divisors is an integer number (28090251306600).

Almost surely, 2^{222022212120221} is an apocalyptic number.

It is an amenable number.

222022212120221 is a deficient number, since it is larger than the sum of its proper divisors (2699798332579).

222022212120221 is an equidigital number, since it uses as much as digits as its factorization.

222022212120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295618195.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222022212120221 its reverse (122021212220222), we get a palindrome (344043424340443).

The spelling of 222022212120221 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-one".