3220355523401 has 2 divisors, whose sum is σ = 3220355523402. Its totient is φ = 3220355523400.

The previous prime is 3220355523377. The next prime is 3220355523403. The reversal of 3220355523401 is 1043255530223.

3220355523401 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2787233589001 + 433121934400 = 1669501^2 + 658120^2 .

It is an emirp because it is prime and its reverse (1043255530223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220355523401 is a prime.

Together with 3220355523403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3220355523403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610177761700 + 1610177761701.

It is an arithmetic number, because the mean of its divisors is an integer number (1610177761701).

Almost surely, 2^{3220355523401} is an apocalyptic number.

It is an amenable number.

3220355523401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220355523401 is an equidigital number, since it uses as much as digits as its factorization.

3220355523401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 3220355523401 in words is "three trillion, two hundred twenty billion, three hundred fifty-five million, five hundred twenty-three thousand, four hundred one".