4221395 has 4 divisors (see below), whose sum is σ = 5065680. Its totient is φ = 3377112.

The previous prime is 4221379. The next prime is 4221407. The reversal of 4221395 is 5931224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4221395 - 2⁴ = 4221379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422135 + ... + 422144.

It is an arithmetic number, because the mean of its divisors is an integer number (1266420).

Almost surely, 2^4221395 is an apocalyptic number.

4221395 is a deficient number, since it is larger than the sum of its proper divisors (844285).

4221395 is an equidigital number, since it uses as much as digits as its factorization.

4221395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844284.

The product of its digits is 2160, while the sum is 26.

The square root of 4221395 is about 2054.6033680494. The cubic root of 4221395 is about 161.6163634665.

The spelling of 4221395 in words is "four million, two hundred twenty-one thousand, three hundred ninety-five".