33414421 has 2 divisors, whose sum is σ = 33414422. Its totient is φ = 33414420.

The previous prime is 33414419. The next prime is 33414457. The reversal of 33414421 is 12441433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 3010225 = 5514^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 33414421 - 2¹ = 33414419 is a prime.

It is a super-2 number, since 2×33414421² = 2233047061530482, which contains 22 as substring.

Together with 33414419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 33414392 and 33414401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33424421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16707210 + 16707211.

It is an arithmetic number, because the mean of its divisors is an integer number (16707211).

Almost surely, 2^33414421 is an apocalyptic number.

It is an amenable number.

33414421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33414421 is an equidigital number, since it uses as much as digits as its factorization.

33414421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 33414421 is about 5780.5208242856. The cubic root of 33414421 is about 322.0905478155.

Adding to 33414421 its reverse (12441433), we get a palindrome (45855854).

The spelling of 33414421 in words is "thirty-three million, four hundred fourteen thousand, four hundred twenty-one".