3227421 has 4 divisors (see below), whose sum is σ = 4303232. Its totient is φ = 2151612.

The previous prime is 3227417. The next prime is 3227423. The reversal of 3227421 is 1247223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3227421 - 2² = 3227417 is a prime.

It is a super-2 number, since 2×3227421² = 20832492622482, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3227423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537901 + ... + 537906.

It is an arithmetic number, because the mean of its divisors is an integer number (1075808).

Almost surely, 2^3227421 is an apocalyptic number.

It is an amenable number.

3227421 is a deficient number, since it is larger than the sum of its proper divisors (1075811).

3227421 is a wasteful number, since it uses less digits than its factorization.

3227421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075810.

The product of its digits is 672, while the sum is 21.

The square root of 3227421 is about 1796.5024352892. The cubic root of 3227421 is about 147.7809793005.

The spelling of 3227421 in words is "three million, two hundred twenty-seven thousand, four hundred twenty-one".