1940223 has 8 divisors (see below), whose sum is σ = 2723200. Its totient is φ = 1225368.

The previous prime is 1940221. The next prime is 1940233. The reversal of 1940223 is 3220491.

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

It is not a de Polignac number, because 1940223 - 2¹ = 1940221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1940223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16963 + ... + 17076.

It is an arithmetic number, because the mean of its divisors is an integer number (340400).

2^1940223 is an apocalyptic number.

1940223 is a deficient number, since it is larger than the sum of its proper divisors (782977).

1940223 is a wasteful number, since it uses less digits than its factorization.

1940223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34061.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1940223 is about 1392.9188777528. The cubic root of 1940223 is about 124.7241490311.

The spelling of 1940223 in words is "one million, nine hundred forty thousand, two hundred twenty-three".