6229421 has 4 divisors (see below), whose sum is σ = 6795744. Its totient is φ = 5663100.

The previous prime is 6229409. The next prime is 6229439. The reversal of 6229421 is 1249226.

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 a cyclic number.

It is not a de Polignac number, because 6229421 - 2¹⁴ = 6213037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6229441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283145 + ... + 283166.

It is an arithmetic number, because the mean of its divisors is an integer number (1698936).

Almost surely, 2^6229421 is an apocalyptic number.

It is an amenable number.

6229421 is a deficient number, since it is larger than the sum of its proper divisors (566323).

6229421 is a wasteful number, since it uses less digits than its factorization.

6229421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566322.

The product of its digits is 1728, while the sum is 26.

The square root of 6229421 is about 2495.8808064489. The cubic root of 6229421 is about 183.9991828099. Note that the first 3 decimals are identical.

The spelling of 6229421 in words is "six million, two hundred twenty-nine thousand, four hundred twenty-one".