33440324214221 has 2 divisors, whose sum is σ = 33440324214222. Its totient is φ = 33440324214220.

The previous prime is 33440324214091. The next prime is 33440324214229. The reversal of 33440324214221 is 12241242304433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30144338428996 + 3295985785225 = 5490386^2 + 1815485^2 .

It is a cyclic number.

It is not a de Polignac number, because 33440324214221 - 2³⁴ = 33423144345037 is a prime.

It is a super-2 number, since 2×33440324214221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33440324214229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720162107110 + 16720162107111.

It is an arithmetic number, because the mean of its divisors is an integer number (16720162107111).

Almost surely, 2^{33440324214221} is an apocalyptic number.

It is an amenable number.

33440324214221 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440324214221 is an equidigital number, since it uses as much as digits as its factorization.

33440324214221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 33440324214221 its reverse (12241242304433), we get a palindrome (45681566518654).

The spelling of 33440324214221 in words is "thirty-three trillion, four hundred forty billion, three hundred twenty-four million, two hundred fourteen thousand, two hundred twenty-one".