35372202221 has 2 divisors, whose sum is σ = 35372202222. Its totient is φ = 35372202220.

The previous prime is 35372202193. The next prime is 35372202223. The reversal of 35372202221 is 12220227353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34622044900 + 750157321 = 186070^2 + 27389^2 .

It is an emirp because it is prime and its reverse (12220227353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35372202221 - 2¹⁰ = 35372201197 is a prime.

Together with 35372202223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35372202223) 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, 17686101110 + 17686101111.

It is an arithmetic number, because the mean of its divisors is an integer number (17686101111).

Almost surely, 2^35372202221 is an apocalyptic number.

It is an amenable number.

35372202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35372202221 is an equidigital number, since it uses as much as digits as its factorization.

35372202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 35372202221 its reverse (12220227353), we get a palindrome (47592429574).

The spelling of 35372202221 in words is "thirty-five billion, three hundred seventy-two million, two hundred two thousand, two hundred twenty-one".