221010022210222 has 8 divisors (see below), whose sum is σ = 378874323788976. Its totient is φ = 94718580947232.

The previous prime is 221010022210199. The next prime is 221010022210247. The reversal of 221010022210222 is 222012220010122.

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

It is a super-2 number, since 2×221010022210222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221010022210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7893215078923 + ... + 7893215078950.

It is an arithmetic number, because the mean of its divisors is an integer number (47359290473622).

Almost surely, 2^{221010022210222} is an apocalyptic number.

221010022210222 is a deficient number, since it is larger than the sum of its proper divisors (157864301578754).

221010022210222 is a wasteful number, since it uses less digits than its factorization.

221010022210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786430157882.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221010022210222 its reverse (222012220010122), we get a palindrome (443022242220344).

The spelling of 221010022210222 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, two hundred ten thousand, two hundred twenty-two".