221412132413422 has 8 divisors (see below), whose sum is σ = 335222107018776. Its totient is φ = 109671430073832.

The previous prime is 221412132413287. The next prime is 221412132413441. The reversal of 221412132413422 is 224314231214122.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517318066173 + ... + 517318066600.

It is an arithmetic number, because the mean of its divisors is an integer number (41902763377347).

Almost surely, 2^{221412132413422} is an apocalyptic number.

221412132413422 is a deficient number, since it is larger than the sum of its proper divisors (113809974605354).

221412132413422 is a wasteful number, since it uses less digits than its factorization.

221412132413422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034636132882.

The product of its digits is 36864, while the sum is 34.

Adding to 221412132413422 its reverse (224314231214122), we get a palindrome (445726363627544).

The spelling of 221412132413422 in words is "two hundred twenty-one trillion, four hundred twelve billion, one hundred thirty-two million, four hundred thirteen thousand, four hundred twenty-two".