222210020221 has 48 divisors (see below), whose sum is σ = 268368688000. Its totient is φ = 180209867904.

The previous prime is 222210020213. The next prime is 222210020243. The reversal of 222210020221 is 122020012222.

It is not a de Polignac number, because 222210020221 - 2³ = 222210020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222210020195 and 222210020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210020261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179635615 + ... + 179636851.

Almost surely, 2^222210020221 is an apocalyptic number.

It is an amenable number.

222210020221 is a deficient number, since it is larger than the sum of its proper divisors (46158667779).

222210020221 is a wasteful number, since it uses less digits than its factorization.

222210020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1755 counting only the distinct ones).

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

Adding to 222210020221 its reverse (122020012222), we get a palindrome (344230032443).

The spelling of 222210020221 in words is "two hundred twenty-two billion, two hundred ten million, twenty thousand, two hundred twenty-one".