67221133 has 4 divisors (see below), whose sum is σ = 76824160. Its totient is φ = 57618108.

The previous prime is 67221131. The next prime is 67221163. The reversal of 67221133 is 33112276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67221133 - 2¹ = 67221131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67221098 and 67221107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801503 + ... + 4801516.

It is an arithmetic number, because the mean of its divisors is an integer number (19206040).

Almost surely, 2^67221133 is an apocalyptic number.

It is an amenable number.

67221133 is a deficient number, since it is larger than the sum of its proper divisors (9603027).

67221133 is an equidigital number, since it uses as much as digits as its factorization.

67221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603026.

The product of its digits is 1512, while the sum is 25.

The square root of 67221133 is about 8198.8494924593. The cubic root of 67221133 is about 406.6011563231.

The spelling of 67221133 in words is "sixty-seven million, two hundred twenty-one thousand, one hundred thirty-three".