68227133 has 16 divisors (see below), whose sum is σ = 75121200. Its totient is φ = 61585920.

The previous prime is 68227129. The next prime is 68227141. The reversal of 68227133 is 33172286.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6416089 + 61811044 = 2533^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 68227133 - 2² = 68227129 is a prime.

It is a Duffinian number.

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 68227133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68227123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125843 + ... + 126383.

It is an arithmetic number, because the mean of its divisors is an integer number (4695075).

Almost surely, 2^68227133 is an apocalyptic number.

It is an amenable number.

68227133 is a deficient number, since it is larger than the sum of its proper divisors (6894067).

68227133 is a wasteful number, since it uses less digits than its factorization.

68227133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 12096, while the sum is 32.

The square root of 68227133 is about 8259.9717311865. The cubic root of 68227133 is about 408.6194554235.

The spelling of 68227133 in words is "sixty-eight million, two hundred twenty-seven thousand, one hundred thirty-three".