34225421 has 2 divisors, whose sum is σ = 34225422. Its totient is φ = 34225420.

The previous prime is 34225417. The next prime is 34225427. The reversal of 34225421 is 12452243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 3200521 = 5570^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 34225421 - 2² = 34225417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34225427) 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, 17112710 + 17112711.

It is an arithmetic number, because the mean of its divisors is an integer number (17112711).

Almost surely, 2^34225421 is an apocalyptic number.

It is an amenable number.

34225421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34225421 is an equidigital number, since it uses as much as digits as its factorization.

34225421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 34225421 is about 5850.2496527926. The cubic root of 34225421 is about 324.6755610415.

Adding to 34225421 its reverse (12452243), we get a palindrome (46677664).

The spelling of 34225421 in words is "thirty-four million, two hundred twenty-five thousand, four hundred twenty-one".