3581825226 has 48 divisors (see below), whose sum is σ = 8457649056. Its totient is φ = 1008098784.

The previous prime is 3581825197. The next prime is 3581825239. The reversal of 3581825226 is 6225281853.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 71221 + ... + 110616.

It is an arithmetic number, because the mean of its divisors is an integer number (176201022).

Almost surely, 2^3581825226 is an apocalyptic number.

3581825226 is an abundant number, since it is smaller than the sum of its proper divisors (4875823830).

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

3581825226 is a wasteful number, since it uses less digits than its factorization.

3581825226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181923 (or 181916 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 3581825226 is about 59848.3519071327. The cubic root of 3581825226 is about 1530.0353454178.

The spelling of 3581825226 in words is "three billion, five hundred eighty-one million, eight hundred twenty-five thousand, two hundred twenty-six".