6225644403 has 12 divisors (see below), whose sum is σ = 9810106488. Its totient is φ = 3773117760.

The previous prime is 6225644401. The next prime is 6225644407. The reversal of 6225644403 is 3044465226.

6225644403 is a `hidden beast` number, since 6 + 2 + 2 + 5 + 644 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 6225644403 - 2¹ = 6225644401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6225644401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31442550 + ... + 31442747.

It is an arithmetic number, because the mean of its divisors is an integer number (817508874).

Almost surely, 2^6225644403 is an apocalyptic number.

6225644403 is a deficient number, since it is larger than the sum of its proper divisors (3584462085).

6225644403 is a wasteful number, since it uses less digits than its factorization.

6225644403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62885314 (or 62885311 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 6225644403 is about 78902.7528226994. The cubic root of 6225644403 is about 1839.6199202143.

The spelling of 6225644403 in words is "six billion, two hundred twenty-five million, six hundred forty-four thousand, four hundred three".