1940225 has 12 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 1330320.

The previous prime is 1940221. The next prime is 1940233. The reversal of 1940225 is 5220491.

It is not a de Polignac number, because 1940225 - 2² = 1940221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1940225.

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 11 ways as a sum of consecutive naturals, for example, 5369 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (229152).

2^1940225 is an apocalyptic number.

It is an amenable number.

1940225 is a deficient number, since it is larger than the sum of its proper divisors (809599).

1940225 is a wasteful number, since it uses less digits than its factorization.

1940225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104 (or 11099 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1940225 is about 1392.9195956695. The cubic root of 1940225 is about 124.7241918867.

The spelling of 1940225 in words is "one million, nine hundred forty thousand, two hundred twenty-five".