22184340 has 24 divisors (see below), whose sum is σ = 62116320. Its totient is φ = 5915808.

The previous prime is 22184293. The next prime is 22184359. The reversal of 22184340 is 4348122.

It is a self number, because there is not a number n which added to its sum of digits gives 22184340.

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, 184810 + ... + 184929.

It is an arithmetic number, because the mean of its divisors is an integer number (2588180).

Almost surely, 2^22184340 is an apocalyptic number.

22184340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22184340 is an abundant number, since it is smaller than the sum of its proper divisors (39931980).

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

22184340 is a wasteful number, since it uses less digits than its factorization.

22184340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369751 (or 369749 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22184340 is about 4710.0254776381. The cubic root of 22184340 is about 280.9843753845.

The spelling of 22184340 in words is "twenty-two million, one hundred eighty-four thousand, three hundred forty".