67220201 has 4 divisors (see below), whose sum is σ = 67240404. Its totient is φ = 67200000.

The previous prime is 67220189. The next prime is 67220203. The reversal of 67220201 is 10202276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 38875225 = 5324^2 + 6235^2 .

It is a cyclic number.

It is not a de Polignac number, because 67220201 - 2¹⁰ = 67219177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67220203) 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, 3800 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (16810101).

Almost surely, 2^67220201 is an apocalyptic number.

It is an amenable number.

67220201 is a deficient number, since it is larger than the sum of its proper divisors (20203).

67220201 is a wasteful number, since it uses less digits than its factorization.

67220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 67220201 is about 8198.7926550194. The cubic root of 67220201 is about 406.5992771818.

Adding to 67220201 its reverse (10202276), we get a palindrome (77422477).

The spelling of 67220201 in words is "sixty-seven million, two hundred twenty thousand, two hundred one".