34415221 has 2 divisors, whose sum is σ = 34415222. Its totient is φ = 34415220.

The previous prime is 34415209. The next prime is 34415237. The reversal of 34415221 is 12251443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 192721 = 5850^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 34415221 - 2⁵ = 34415189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34415192 and 34415201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34415261) 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, 17207610 + 17207611.

It is an arithmetic number, because the mean of its divisors is an integer number (17207611).

Almost surely, 2^34415221 is an apocalyptic number.

It is an amenable number.

34415221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34415221 is an equidigital number, since it uses as much as digits as its factorization.

34415221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 34415221 is about 5866.4487554227. The cubic root of 34415221 is about 325.2746270447.

Adding to 34415221 its reverse (12251443), we get a palindrome (46666664).

The spelling of 34415221 in words is "thirty-four million, four hundred fifteen thousand, two hundred twenty-one".