222210200221 has 8 divisors (see below), whose sum is σ = 228708785088. Its totient is φ = 215762988000.

The previous prime is 222210200209. The next prime is 222210200227. The reversal of 222210200221 is 122002012222.

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 222210200221 - 2²¹ = 222208103069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222210200195 and 222210200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210200227) 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, 12834385 + ... + 12851686.

It is an arithmetic number, because the mean of its divisors is an integer number (28588598136).

Almost surely, 2^222210200221 is an apocalyptic number.

It is an amenable number.

222210200221 is a deficient number, since it is larger than the sum of its proper divisors (6498584867).

222210200221 is a wasteful number, since it uses less digits than its factorization.

222210200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686323.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222210200221 its reverse (122002012222), we get a palindrome (344212212443).

The spelling of 222210200221 in words is "two hundred twenty-two billion, two hundred ten million, two hundred thousand, two hundred twenty-one".