650228 has 6 divisors (see below), whose sum is σ = 1137906. Its totient is φ = 325112.

The previous prime is 650227. The next prime is 650261. The reversal of 650228 is 822056.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 44944 = 778^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650227) 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 as a sum of consecutive naturals, namely, 81275 + ... + 81282.

It is an arithmetic number, because the mean of its divisors is an integer number (189651).

2⁶⁵⁰²²⁸ is an apocalyptic number.

It is an amenable number.

650228 is a deficient number, since it is larger than the sum of its proper divisors (487678).

650228 is a wasteful number, since it uses less digits than its factorization.

650228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162561 (or 162559 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 650228 is about 806.3671620298. The cubic root of 650228 is about 86.6340376842.

It can be divided in two parts, 650 and 228, that added together give a palindrome (878).

The spelling of 650228 in words is "six hundred fifty thousand, two hundred twenty-eight".