3422421 has 6 divisors (see below), whose sum is σ = 4943510. Its totient is φ = 2281608.

The previous prime is 3422411. The next prime is 3422429. The reversal of 3422421 is 1242243.

3422421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 236196 = 1785^2 + 486^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3422421 is a prime.

It is a Duffinian number.

It is a Curzon number.

3422421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3422394 and 3422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422429) 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 in 5 ways as a sum of consecutive naturals, for example, 190126 + ... + 190143.

Almost surely, 2^3422421 is an apocalyptic number.

It is an amenable number.

3422421 is a deficient number, since it is larger than the sum of its proper divisors (1521089).

3422421 is a wasteful number, since it uses less digits than its factorization.

3422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380275 (or 380272 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 3422421 is about 1849.9786485254. The cubic root of 3422421 is about 150.6992684256.

Adding to 3422421 its reverse (1242243), we get a palindrome (4664664).

It can be divided in two parts, 342242 and 1, that added together give a palindrome (342243).

The spelling of 3422421 in words is "three million, four hundred twenty-two thousand, four hundred twenty-one".