2184229854 has 64 divisors (see below), whose sum is σ = 5156448000. Its totient is φ = 683393760.

The previous prime is 2184229823. The next prime is 2184229877. The reversal of 2184229854 is 4589224812.

2184229854 is a `hidden beast` number, since 218 + 422 + 9 + 8 + 5 + 4 = 666.

It is a super-2 number, since 2×2184229854² = 9541720110209722632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102069 + ... + 121599.

It is an arithmetic number, because the mean of its divisors is an integer number (80569500).

Almost surely, 2^2184229854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2184229854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2578224000).

2184229854 is an abundant number, since it is smaller than the sum of its proper divisors (2972218146).

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

2184229854 is a wasteful number, since it uses less digits than its factorization.

2184229854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670 (or 19664 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2184229854 is about 46735.7449282666. The cubic root of 2184229854 is about 1297.4763375684.

The spelling of 2184229854 in words is "two billion, one hundred eighty-four million, two hundred twenty-nine thousand, eight hundred fifty-four".