6225816 has 32 divisors (see below), whose sum is σ = 15678000. Its totient is φ = 2060160.

The previous prime is 6225803. The next prime is 6225827. The reversal of 6225816 is 6185226.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 4446.

Almost surely, 2^6225816 is an apocalyptic number.

It is an amenable number.

6225816 is an abundant number, since it is smaller than the sum of its proper divisors (9452184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6225816 is a wasteful number, since it uses less digits than its factorization.

6225816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1895 counting only the distinct ones).

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

The square root of 6225816 is about 2495.1585119988. The cubic root of 6225816 is about 183.9636821831.

It can be divided in two parts, 62 and 25816, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 6225816 in words is "six million, two hundred twenty-five thousand, eight hundred sixteen".