1809022332 has 24 divisors (see below), whose sum is σ = 4545748816. Its totient is φ = 556622208.

The previous prime is 1809022321. The next prime is 1809022333. The reversal of 1809022332 is 2332209081.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1809022332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1809022333) 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, 5797993 + ... + 5798304.

Almost surely, 2^1809022332 is an apocalyptic number.

1809022332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1809022332 is an abundant number, since it is smaller than the sum of its proper divisors (2736726484).

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

1809022332 is a wasteful number, since it uses less digits than its factorization.

1809022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596317 (or 11596315 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1809022332 is about 42532.6031651015. The cubic root of 1809022332 is about 1218.4694440706.

The spelling of 1809022332 in words is "one billion, eight hundred nine million, twenty-two thousand, three hundred thirty-two".