6226399 has 8 divisors (see below), whose sum is σ = 6532992. Its totient is φ = 5922840.

The previous prime is 6226393. The next prime is 6226417. The reversal of 6226399 is 9936226.

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 6226399 - 2³ = 6226391 is a prime.

It is a Duffinian number.

6226399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6226391) 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, 4212 + ... + 5494.

It is an arithmetic number, because the mean of its divisors is an integer number (816624).

Almost surely, 2^6226399 is an apocalyptic number.

6226399 is a deficient number, since it is larger than the sum of its proper divisors (306593).

6226399 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (6226398) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1517).

6226399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its digits is 34992, while the sum is 37.

The square root of 6226399 is about 2495.2753355091. The cubic root of 6226399 is about 183.9694242673.

It can be divided in two parts, 622 and 6399, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6226399 in words is "six million, two hundred twenty-six thousand, three hundred ninety-nine".