6225642 has 12 divisors (see below), whose sum is σ = 13488930. Its totient is φ = 2075208.

The previous prime is 6225623. The next prime is 6225647. The reversal of 6225642 is 2465226.

It can be written as a sum of positive squares in only one way, i.e., 4835601 + 1390041 = 2199^2 + 1179^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6225647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172917 + ... + 172952.

Almost surely, 2^6225642 is an apocalyptic number.

6225642 is an abundant number, since it is smaller than the sum of its proper divisors (7263288).

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

6225642 is a wasteful number, since it uses less digits than its factorization.

6225642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345877 (or 345874 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 6225642 is about 2495.1236442309. The cubic root of 6225642 is about 183.9619683526.

The spelling of 6225642 in words is "six million, two hundred twenty-five thousand, six hundred forty-two".