1803522222 has 12 divisors (see below), whose sum is σ = 3907631520. Its totient is φ = 601174068.

The previous prime is 1803522221. The next prime is 1803522223. The reversal of 1803522222 is 2222253081.

It is an interprime number because it is at equal distance from previous prime (1803522221) and next prime (1803522223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803522221) 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 5 ways as a sum of consecutive naturals, for example, 50097822 + ... + 50097857.

It is an arithmetic number, because the mean of its divisors is an integer number (325635960).

Almost surely, 2^1803522222 is an apocalyptic number.

1803522222 is an abundant number, since it is smaller than the sum of its proper divisors (2104109298).

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

1803522222 is a wasteful number, since it uses less digits than its factorization.

1803522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100195687 (or 100195684 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1803522222 is about 42467.8963689044. The cubic root of 1803522222 is about 1217.2333216146.

The spelling of 1803522222 in words is "one billion, eight hundred three million, five hundred twenty-two thousand, two hundred twenty-two".