6227421 has 8 divisors (see below), whose sum is σ = 8740320. Its totient is φ = 3933072.

The previous prime is 6227401. The next prime is 6227437. The reversal of 6227421 is 1247226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6227421 is a prime.

It is a super-2 number, since 2×6227421² = 77561544622482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6227391 and 6227400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6227401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54570 + ... + 54683.

It is an arithmetic number, because the mean of its divisors is an integer number (1092540).

Almost surely, 2^6227421 is an apocalyptic number.

It is an amenable number.

6227421 is a deficient number, since it is larger than the sum of its proper divisors (2512899).

6227421 is a wasteful number, since it uses less digits than its factorization.

6227421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109275.

The product of its digits is 1344, while the sum is 24.

The square root of 6227421 is about 2495.4801141263. The cubic root of 6227421 is about 183.9794892859.

The spelling of 6227421 in words is "six million, two hundred twenty-seven thousand, four hundred twenty-one".