6226581 has 8 divisors (see below), whose sum is σ = 8348704. Its totient is φ = 4127760.

The previous prime is 6226559. The next prime is 6226589. The reversal of 6226581 is 1856226.

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

It is not a de Polignac number, because 6226581 - 2¹⁵ = 6193813 is a prime.

It is a super-2 number, since 2×6226581² = 77540621899122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6226589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5191 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (1043588).

Almost surely, 2^6226581 is an apocalyptic number.

It is an amenable number.

6226581 is a deficient number, since it is larger than the sum of its proper divisors (2122123).

6226581 is a wasteful number, since it uses less digits than its factorization.

6226581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651.

The product of its digits is 5760, while the sum is 30.

The square root of 6226581 is about 2495.3118041640. The cubic root of 6226581 is about 183.9712167484.

The spelling of 6226581 in words is "six million, two hundred twenty-six thousand, five hundred eighty-one".