6228331 has 4 divisors (see below), whose sum is σ = 6499152. Its totient is φ = 5957512.

The previous prime is 6228329. The next prime is 6228337. The reversal of 6228331 is 1338226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1338226 = 2 ⋅669113.

It is a cyclic number.

It is not a de Polignac number, because 6228331 - 2¹ = 6228329 is a prime.

It is a super-2 number, since 2×6228331² = 77584214091122, which contains 22 as substring.

It is a Duffinian number.

6228331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6228296 and 6228305.

It is not an unprimeable number, because it can be changed into a prime (6228337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135376 + ... + 135421.

It is an arithmetic number, because the mean of its divisors is an integer number (1624788).

Almost surely, 2^6228331 is an apocalyptic number.

6228331 is a deficient number, since it is larger than the sum of its proper divisors (270821).

6228331 is a wasteful number, since it uses less digits than its factorization.

6228331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270820.

The product of its digits is 1728, while the sum is 25.

The square root of 6228331 is about 2495.6624371096. The cubic root of 6228331 is about 183.9884503620.

The spelling of 6228331 in words is "six million, two hundred twenty-eight thousand, three hundred thirty-one".