33522444421 has 2 divisors, whose sum is σ = 33522444422. Its totient is φ = 33522444420.

The previous prime is 33522444367. The next prime is 33522444427. The reversal of 33522444421 is 12444422533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31405156225 + 2117288196 = 177215^2 + 46014^2 .

It is a cyclic number.

It is not a de Polignac number, because 33522444421 - 2⁹ = 33522443909 is a prime.

It is a super-2 number, since 2×33522444421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33522444427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16761222210 + 16761222211.

It is an arithmetic number, because the mean of its divisors is an integer number (16761222211).

Almost surely, 2^33522444421 is an apocalyptic number.

It is an amenable number.

33522444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33522444421 is an equidigital number, since it uses as much as digits as its factorization.

33522444421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 34.

Adding to 33522444421 its reverse (12444422533), we get a palindrome (45966866954).

The spelling of 33522444421 in words is "thirty-three billion, five hundred twenty-two million, four hundred forty-four thousand, four hundred twenty-one".