68614228 has 12 divisors (see below), whose sum is σ = 120136212. Its totient is φ = 34289600.

The previous prime is 68614213. The next prime is 68614237. The reversal of 68614228 is 82241686.

It can be written as a sum of positive squares in 2 ways, for example, as 44916804 + 23697424 = 6702^2 + 4868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8928 + ... + 14728.

It is an arithmetic number, because the mean of its divisors is an integer number (10011351).

Almost surely, 2^68614228 is an apocalyptic number.

It is an amenable number.

68614228 is a deficient number, since it is larger than the sum of its proper divisors (51521984).

68614228 is a wasteful number, since it uses less digits than its factorization.

68614228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762 (or 8760 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 68614228 is about 8283.3705700035. The cubic root of 68614228 is about 409.3907827025.

The spelling of 68614228 in words is "sixty-eight million, six hundred fourteen thousand, two hundred twenty-eight".