2184421080 has 64 divisors (see below), whose sum is σ = 6611297760. Its totient is φ = 577353728.

The previous prime is 2184421079. The next prime is 2184421081. The reversal of 2184421080 is 801244812.

It is an interprime number because it is at equal distance from previous prime (2184421079) and next prime (2184421081).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184421081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66987 + ... + 94106.

Almost surely, 2^2184421080 is an apocalyptic number.

2184421080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184421080 is an abundant number, since it is smaller than the sum of its proper divisors (4426876680).

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

2184421080 is a wasteful number, since it uses less digits than its factorization.

2184421080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161220 (or 161216 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 2184421080 is about 46737.7907051671. The cubic root of 2184421080 is about 1297.5142004898.

Adding to 2184421080 its reverse (801244812), we get a palindrome (2985665892).

It can be divided in two parts, 21844 and 21080, that added together give a palindrome (42924).

The spelling of 2184421080 in words is "two billion, one hundred eighty-four million, four hundred twenty-one thousand, eighty".