940228 has 6 divisors (see below), whose sum is σ = 1645406. Its totient is φ = 470112.

The previous prime is 940223. The next prime is 940229. The reversal of 940228 is 822049.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 248004 = 832^2 + 498^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (940223) by changing a digit.

940228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117525 + ... + 117532.

2⁹⁴⁰²²⁸ is an apocalyptic number.

It is an amenable number.

940228 is a deficient number, since it is larger than the sum of its proper divisors (705178).

940228 is a wasteful number, since it uses less digits than its factorization.

940228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235061 (or 235059 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 940228 is about 969.6535463762. The cubic root of 940228 is about 97.9665302892.

The spelling of 940228 in words is "nine hundred forty thousand, two hundred twenty-eight".