6225618 has 16 divisors (see below), whose sum is σ = 14230080. Its totient is φ = 1778736.

The previous prime is 6225607. The next prime is 6225619. The reversal of 6225618 is 8165226.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6225619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74073 + ... + 74156.

It is an arithmetic number, because the mean of its divisors is an integer number (889380).

Almost surely, 2^6225618 is an apocalyptic number.

6225618 is an abundant number, since it is smaller than the sum of its proper divisors (8004462).

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

6225618 is a wasteful number, since it uses less digits than its factorization.

6225618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148241.

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

The square root of 6225618 is about 2495.1188348453. The cubic root of 6225618 is about 183.9617319597.

The spelling of 6225618 in words is "six million, two hundred twenty-five thousand, six hundred eighteen".