35400221 has 2 divisors, whose sum is σ = 35400222. Its totient is φ = 35400220.

The previous prime is 35400193. The next prime is 35400229. The reversal of 35400221 is 12200453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32376100 + 3024121 = 5690^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 35400221 - 2¹⁴ = 35383837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35400221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35400229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17700110 + 17700111.

It is an arithmetic number, because the mean of its divisors is an integer number (17700111).

Almost surely, 2^35400221 is an apocalyptic number.

It is an amenable number.

35400221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35400221 is an equidigital number, since it uses as much as digits as its factorization.

35400221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 35400221 is about 5949.8084843128. The cubic root of 35400221 is about 328.3487175890.

Adding to 35400221 its reverse (12200453), we get a palindrome (47600674).

The spelling of 35400221 in words is "thirty-five million, four hundred thousand, two hundred twenty-one".