181984022 has 16 divisors (see below), whose sum is σ = 300744144. Its totient is φ = 81900000.

The previous prime is 181984009. The next prime is 181984039. The reversal of 181984022 is 220489181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38729 + ... + 43172.

It is an arithmetic number, because the mean of its divisors is an integer number (18796509).

Almost surely, 2^181984022 is an apocalyptic number.

181984022 is a deficient number, since it is larger than the sum of its proper divisors (118760122).

181984022 is a wasteful number, since it uses less digits than its factorization.

181984022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82015.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 181984022 is about 13490.1453661553. The cubic root of 181984022 is about 566.6885264155.

The spelling of 181984022 in words is "one hundred eighty-one million, nine hundred eighty-four thousand, twenty-two".