616228 has 6 divisors (see below), whose sum is σ = 1078406. Its totient is φ = 308112.

The previous prime is 616223. The next prime is 616229. The reversal of 616228 is 822616.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 142884 = 688^2 + 378^2 .

It is not an unprimeable number, because it can be changed into a prime (616223) by changing a digit.

616228 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, 77025 + ... + 77032.

2⁶¹⁶²²⁸ is an apocalyptic number.

It is an amenable number.

616228 is a deficient number, since it is larger than the sum of its proper divisors (462178).

616228 is a wasteful number, since it uses less digits than its factorization.

616228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154061 (or 154059 counting only the distinct ones).

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

The square root of 616228 is about 785.0019108257. The cubic root of 616228 is about 85.0969136823.

The spelling of 616228 in words is "six hundred sixteen thousand, two hundred twenty-eight".