221232414413 has 2 divisors, whose sum is σ = 221232414414. Its totient is φ = 221232414412.

The previous prime is 221232414379. The next prime is 221232414433. The reversal of 221232414413 is 314414232122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148430661289 + 72801753124 = 385267^2 + 269818^2 .

It is a cyclic number.

It is not a de Polignac number, because 221232414413 - 2¹² = 221232410317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221232414433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110616207206 + 110616207207.

It is an arithmetic number, because the mean of its divisors is an integer number (110616207207).

Almost surely, 2^221232414413 is an apocalyptic number.

It is an amenable number.

221232414413 is a deficient number, since it is larger than the sum of its proper divisors (1).

221232414413 is an equidigital number, since it uses as much as digits as its factorization.

221232414413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 221232414413 its reverse (314414232122), we get a palindrome (535646646535).

The spelling of 221232414413 in words is "two hundred twenty-one billion, two hundred thirty-two million, four hundred fourteen thousand, four hundred thirteen".