222211010221 has 16 divisors (see below), whose sum is σ = 228325011264. Its totient is φ = 216203629824.

The previous prime is 222211010209. The next prime is 222211010227. The reversal of 222211010221 is 122010112222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222211010221 - 2⁷ = 222211010093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222211010195 and 222211010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211010227) 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, 1397050 + ... + 1547956.

It is an arithmetic number, because the mean of its divisors is an integer number (14270313204).

Almost surely, 2^222211010221 is an apocalyptic number.

It is an amenable number.

222211010221 is a deficient number, since it is larger than the sum of its proper divisors (6114001043).

222211010221 is a wasteful number, since it uses less digits than its factorization.

222211010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151260.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222211010221 its reverse (122010112222), we get a palindrome (344221122443).

The spelling of 222211010221 in words is "two hundred twenty-two billion, two hundred eleven million, ten thousand, two hundred twenty-one".