1944422 has 8 divisors (see below), whose sum is σ = 3070200. Its totient is φ = 921024.

The previous prime is 1944401. The next prime is 1944457. The reversal of 1944422 is 2244491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1944391 and 1944400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25547 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (383775).

2^1944422 is an apocalyptic number.

1944422 is a deficient number, since it is larger than the sum of its proper divisors (1125778).

1944422 is a wasteful number, since it uses less digits than its factorization.

1944422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51190.

The product of its digits is 2304, while the sum is 26.

The square root of 1944422 is about 1394.4253296609. The cubic root of 1944422 is about 124.8140595463.

The spelling of 1944422 in words is "one million, nine hundred forty-four thousand, four hundred twenty-two".