1822942 has 32 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 772800.

The previous prime is 1822939. The next prime is 1822943. The reversal of 1822942 is 2492281.

Its product of digits (2304) is a multiple of the sum of its prime divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 1822942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38763 + ... + 38809.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1822942 is an apocalyptic number.

1822942 is a deficient number, since it is larger than the sum of its proper divisors (1370402).

1822942 is a wasteful number, since it uses less digits than its factorization.

1822942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144.

The product of its digits is 2304, while the sum is 28.

The square root of 1822942 is about 1350.1636937794. The cubic root of 1822942 is about 122.1586666201.

The spelling of 1822942 in words is "one million, eight hundred twenty-two thousand, nine hundred forty-two".