6228949 has 2 divisors, whose sum is σ = 6228950. Its totient is φ = 6228948.

The previous prime is 6228947. The next prime is 6228961. The reversal of 6228949 is 9498226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 555025 = 2382^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 6228949 - 2¹ = 6228947 is a prime.

Together with 6228947, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6228947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114474 + 3114475.

It is an arithmetic number, because the mean of its divisors is an integer number (3114475).

Almost surely, 2^6228949 is an apocalyptic number.

It is an amenable number.

6228949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228949 is an equidigital number, since it uses as much as digits as its factorization.

6228949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 6228949 is about 2495.7862488603. The cubic root of 6228949 is about 183.9945355182.

The spelling of 6228949 in words is "six million, two hundred twenty-eight thousand, nine hundred forty-nine".