222010010221 has 8 divisors (see below), whose sum is σ = 222241695840. Its totient is φ = 221778383568.

The previous prime is 222010010191. The next prime is 222010010237. The reversal of 222010010221 is 122010010222.

It is a happy number.

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 222010010221 - 2⁹ = 222010009709 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 (222010014221) 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, 14572410 + ... + 14587636.

It is an arithmetic number, because the mean of its divisors is an integer number (27780211980).

Almost surely, 2^222010010221 is an apocalyptic number.

It is an amenable number.

222010010221 is a deficient number, since it is larger than the sum of its proper divisors (231685619).

222010010221 is a wasteful number, since it uses less digits than its factorization.

222010010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29483.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222010010221 its reverse (122010010222), we get a palindrome (344020020443).

Subtracting from 222010010221 its reverse (122010010222), we obtain a palindrome (99999999999).

The spelling of 222010010221 in words is "two hundred twenty-two billion, ten million, ten thousand, two hundred twenty-one".