2182144212 has 30 divisors (see below), whose sum is σ = 5704556858. Its totient is φ = 727381296.

The previous prime is 2182144207. The next prime is 2182144253. The reversal of 2182144212 is 2124412812.

2182144212 is a `hidden beast` number, since 21 + 8 + 214 + 421 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1740892176 + 441252036 = 41724^2 + 21006^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3367183 + ... + 3367830.

Almost surely, 2^2182144212 is an apocalyptic number.

It is an amenable number.

2182144212 is an abundant number, since it is smaller than the sum of its proper divisors (3522412646).

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

2182144212 is a wasteful number, since it uses less digits than its factorization.

2182144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735029 (or 6735018 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2182144212 is about 46713.4264639193. The cubic root of 2182144212 is about 1297.0632349966.

The spelling of 2182144212 in words is "two billion, one hundred eighty-two million, one hundred forty-four thousand, two hundred twelve".