1805328222 has 16 divisors (see below), whose sum is σ = 3615021840. Its totient is φ = 601048512.

The previous prime is 1805328191. The next prime is 1805328223. The reversal of 1805328222 is 2228235081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1805328223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176503 + ... + 186450.

It is an arithmetic number, because the mean of its divisors is an integer number (225938865).

Almost surely, 2^1805328222 is an apocalyptic number.

1805328222 is an abundant number, since it is smaller than the sum of its proper divisors (1809693618).

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

1805328222 is a wasteful number, since it uses less digits than its factorization.

1805328222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363787.

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

The square root of 1805328222 is about 42489.1541690347. The cubic root of 1805328222 is about 1217.6394879445.

The spelling of 1805328222 in words is "one billion, eight hundred five million, three hundred twenty-eight thousand, two hundred twenty-two".