6228890 has 8 divisors (see below), whose sum is σ = 11212020. Its totient is φ = 2491552.

The previous prime is 6228889. The next prime is 6228907. The reversal of 6228890 is 988226.

It can be written as a sum of positive squares in 2 ways, for example, as 5987809 + 241081 = 2447^2 + 491^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6228890.

It is a congruent number.

It is an unprimeable number.

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, 311435 + ... + 311454.

Almost surely, 2^6228890 is an apocalyptic number.

6228890 is a deficient number, since it is larger than the sum of its proper divisors (4983130).

6228890 is a wasteful number, since it uses less digits than its factorization.

6228890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622896.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6228890 is about 2495.7744289098. The cubic root of 6228890 is about 183.9939545903.

The spelling of 6228890 in words is "six million, two hundred twenty-eight thousand, eight hundred ninety".