3524412302221 has 2 divisors, whose sum is σ = 3524412302222. Its totient is φ = 3524412302220.

The previous prime is 3524412302219. The next prime is 3524412302233. The reversal of 3524412302221 is 1222032144253.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869044436900 + 1655367865321 = 1367130^2 + 1286611^2 .

It is a cyclic number.

It is not a de Polignac number, because 3524412302221 - 2¹ = 3524412302219 is a prime.

Together with 3524412302219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3524419302221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762206151110 + 1762206151111.

It is an arithmetic number, because the mean of its divisors is an integer number (1762206151111).

Almost surely, 2^{3524412302221} is an apocalyptic number.

It is an amenable number.

3524412302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3524412302221 is an equidigital number, since it uses as much as digits as its factorization.

3524412302221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 3524412302221 its reverse (1222032144253), we get a palindrome (4746444446474).

The spelling of 3524412302221 in words is "three trillion, five hundred twenty-four billion, four hundred twelve million, three hundred two thousand, two hundred twenty-one".