1803226530 has 32 divisors (see below), whose sum is σ = 4945993344. Its totient is φ = 412166016.

The previous prime is 1803226501. The next prime is 1803226531. The reversal of 1803226530 is 356223081.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1803226531) 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 15 ways as a sum of consecutive naturals, for example, 4293187 + ... + 4293606.

It is an arithmetic number, because the mean of its divisors is an integer number (154562292).

Almost surely, 2^1803226530 is an apocalyptic number.

1803226530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1803226530 is an abundant number, since it is smaller than the sum of its proper divisors (3142766814).

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

1803226530 is a wasteful number, since it uses less digits than its factorization.

1803226530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586810.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1803226530 is about 42464.4148670390. The cubic root of 1803226530 is about 1217.1667951582.

The spelling of 1803226530 in words is "one billion, eight hundred three million, two hundred twenty-six thousand, five hundred thirty".