67468221 has 28 divisors (see below), whose sum is σ = 106501920. Its totient is φ = 42602760.

The previous prime is 67468217. The next prime is 67468241. The reversal of 67468221 is 12286476.

It is not a de Polignac number, because 67468221 - 2² = 67468217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67468201) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11416 + ... + 16286.

It is an arithmetic number, because the mean of its divisors is an integer number (3803640).

Almost surely, 2^67468221 is an apocalyptic number.

It is an amenable number.

67468221 is a deficient number, since it is larger than the sum of its proper divisors (39033699).

67468221 is an equidigital number, since it uses as much as digits as its factorization.

67468221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908 (or 4893 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 67468221 is about 8213.9041265406. The cubic root of 67468221 is about 407.0987350683.

The spelling of 67468221 in words is "sixty-seven million, four hundred sixty-eight thousand, two hundred twenty-one".