1805228430 has 32 divisors (see below), whose sum is σ = 4333713408. Its totient is φ = 481264800.

The previous prime is 1805228413. The next prime is 1805228441. The reversal of 1805228430 is 348225081.

It is a super-3 number, since 3×1805228430³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1805228391 and 1805228400.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 168535 + ... + 178925.

It is an arithmetic number, because the mean of its divisors is an integer number (135428544).

Almost surely, 2^1805228430 is an apocalyptic number.

1805228430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1805228430 is an abundant number, since it is smaller than the sum of its proper divisors (2528484978).

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

1805228430 is a wasteful number, since it uses less digits than its factorization.

1805228430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1805228430 is about 42487.9798295942. The cubic root of 1805228430 is about 1217.6170519655.

The spelling of 1805228430 in words is "one billion, eight hundred five million, two hundred twenty-eight thousand, four hundred thirty".