221322130023222 has 16 divisors (see below), whose sum is σ = 491826955607280. Its totient is φ = 73774043341056.

The previous prime is 221322130023179. The next prime is 221322130023251. The reversal of 221322130023222 is 222320031223122.

221322130023222 is a `hidden beast` number, since 2 + 2 + 1 + 32 + 2 + 1 + 300 + 2 + 322 + 2 = 666.

It is a super-2 number, since 2×221322130023222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049278981643 + ... + 2049278981750.

It is an arithmetic number, because the mean of its divisors is an integer number (30739184725455).

Almost surely, 2^{221322130023222} is an apocalyptic number.

221322130023222 is an abundant number, since it is smaller than the sum of its proper divisors (270504825584058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221322130023222 is a wasteful number, since it uses less digits than its factorization.

221322130023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098557963404 (or 4098557963398 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221322130023222 its reverse (222320031223122), we get a palindrome (443642161246344).

The spelling of 221322130023222 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, one hundred thirty million, twenty-three thousand, two hundred twenty-two".