2180442 has 16 divisors (see below), whose sum is σ = 4757472. Its totient is φ = 660720.

The previous prime is 2180417. The next prime is 2180467. The reversal of 2180442 is 2440812.

It is an interprime number because it is at equal distance from previous prime (2180417) and next prime (2180467).

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, 16453 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (297342).

2^2180442 is an apocalyptic number.

2180442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2180442 is an abundant number, since it is smaller than the sum of its proper divisors (2577030).

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

2180442 is a wasteful number, since it uses less digits than its factorization.

2180442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33053.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2180442 is about 1476.6319785241. The cubic root of 2180442 is about 129.6725883179.

The spelling of 2180442 in words is "two million, one hundred eighty thousand, four hundred forty-two".