221223131422 has 8 divisors (see below), whose sum is σ = 331849800936. Its totient is φ = 110606531112.

The previous prime is 221223131419. The next prime is 221223131489. The reversal of 221223131422 is 224131322122.

221223131422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462133 + ... + 2550400.

It is an arithmetic number, because the mean of its divisors is an integer number (41481225117).

Almost surely, 2^221223131422 is an apocalyptic number.

221223131422 is a deficient number, since it is larger than the sum of its proper divisors (110626669514).

221223131422 is a wasteful number, since it uses less digits than its factorization.

221223131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034602.

The product of its digits is 2304, while the sum is 25.

Adding to 221223131422 its reverse (224131322122), we get a palindrome (445354453544).

The spelling of 221223131422 in words is "two hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred twenty-two".