67224401 has 4 divisors (see below), whose sum is σ = 67342704. Its totient is φ = 67106100.

The previous prime is 67224397. The next prime is 67224419. The reversal of 67224401 is 10442276.

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 67224401 - 2² = 67224397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67220401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58295 + ... + 59436.

It is an arithmetic number, because the mean of its divisors is an integer number (16835676).

Almost surely, 2^67224401 is an apocalyptic number.

It is an amenable number.

67224401 is a deficient number, since it is larger than the sum of its proper divisors (118303).

67224401 is a wasteful number, since it uses less digits than its factorization.

67224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118302.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 67224401 is about 8199.0487862922. The cubic root of 67224401 is about 406.6077452781.

Adding to 67224401 its reverse (10442276), we get a palindrome (77666677).

The spelling of 67224401 in words is "sixty-seven million, two hundred twenty-four thousand, four hundred one".