6220405 has 8 divisors (see below), whose sum is σ = 7483392. Its totient is φ = 4963728.

The previous prime is 6220399. The next prime is 6220411. The reversal of 6220405 is 5040226.

It is an interprime number because it is at equal distance from previous prime (6220399) and next prime (6220411).

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

It is a cyclic number.

It is not a de Polignac number, because 6220405 - 2⁹ = 6219893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (935424).

Almost surely, 2^6220405 is an apocalyptic number.

It is an amenable number.

6220405 is a deficient number, since it is larger than the sum of its proper divisors (1262987).

6220405 is a wasteful number, since it uses less digits than its factorization.

6220405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 6220405 is about 2494.0739764490. The cubic root of 6220405 is about 183.9103710451.

The spelling of 6220405 in words is "six million, two hundred twenty thousand, four hundred five".