2182428 has 18 divisors (see below), whose sum is σ = 5516784. Its totient is φ = 727464.

The previous prime is 2182421. The next prime is 2182429. The reversal of 2182428 is 8242812.

2182428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30276 + ... + 30347.

It is an arithmetic number, because the mean of its divisors is an integer number (306488).

2^2182428 is an apocalyptic number.

It is an amenable number.

2182428 is an abundant number, since it is smaller than the sum of its proper divisors (3334356).

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

2182428 is a wasteful number, since it uses less digits than its factorization.

2182428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60633 (or 60628 counting only the distinct ones).

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

The square root of 2182428 is about 1477.3043017605. The cubic root of 2182428 is about 129.7119460279.

The spelling of 2182428 in words is "two million, one hundred eighty-two thousand, four hundred twenty-eight".