221432230334222 has 4 divisors (see below), whose sum is σ = 332148345501336. Its totient is φ = 110716115167110.

The previous prime is 221432230334221. The next prime is 221432230334267. The reversal of 221432230334222 is 222433032234122.

It is a happy number.

221432230334222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221432230334221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55358057583554 + ... + 55358057583557.

It is an arithmetic number, because the mean of its divisors is an integer number (83037086375334).

Almost surely, 2^{221432230334222} is an apocalyptic number.

221432230334222 is a deficient number, since it is larger than the sum of its proper divisors (110716115167114).

221432230334222 is a wasteful number, since it uses less digits than its factorization.

221432230334222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110716115167113.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 221432230334222 its reverse (222433032234122), we get a palindrome (443865262568344).

The spelling of 221432230334222 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, two hundred thirty million, three hundred thirty-four thousand, two hundred twenty-two".