6225156 has 54 divisors (see below), whose sum is σ = 18310110. Its totient is φ = 1778112.

The previous prime is 6225137. The next prime is 6225181. The reversal of 6225156 is 6515226.

6225156 is a nontrivial binomial coefficient, being equal to C(3529, 2).

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 2160900 = 2016^2 + 1470^2 .

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 17 ways as a sum of consecutive naturals, for example, 1 + ... + 3528.

Almost surely, 2^6225156 is an apocalyptic number.

6225156 is the 3528-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6225156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9155055).

6225156 is an abundant number, since it is smaller than the sum of its proper divisors (12084954).

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

6225156 is a wasteful number, since it uses less digits than its factorization.

6225156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553 (or 3541 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 6225156 is about 2495.0262523669. The cubic root of 6225156 is about 183.9571812777.

It can be divided in two parts, 622515 and 6, that added together give a square (622521 = 789²).

The spelling of 6225156 in words is "six million, two hundred twenty-five thousand, one hundred fifty-six".