2182442 has 4 divisors (see below), whose sum is σ = 3273666. Its totient is φ = 1091220.

The previous prime is 2182441. The next prime is 2182451. The reversal of 2182442 is 2442812.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 410881 = 1331^2 + 641^2 .

It is not an unprimeable number, because it can be changed into a prime (2182441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545609 + ... + 545612.

2^2182442 is an apocalyptic number.

2182442 is a deficient number, since it is larger than the sum of its proper divisors (1091224).

2182442 is a wasteful number, since it uses less digits than its factorization.

2182442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091223.

The product of its digits is 1024, while the sum is 23.

The square root of 2182442 is about 1477.3090401131. The cubic root of 2182442 is about 129.7122233893.

The spelling of 2182442 in words is "two million, one hundred eighty-two thousand, four hundred forty-two".