67223601 has 15 divisors (see below), whose sum is σ = 100530793. Its totient is φ = 44766540.

The previous prime is 67223599. The next prime is 67223603. The reversal of 67223601 is 10632276.

It is a happy number.

The square root of 67223601 is 8199.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (67223599) and next prime (67223603).

It is not a de Polignac number, because 67223601 - 2¹ = 67223599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67223603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 73336 + ... + 74246.

Almost surely, 2^67223601 is an apocalyptic number.

67223601 is the 8199-th square number.

67223601 is the 4100-th centered octagonal number.

It is an amenable number.

67223601 is a deficient number, since it is larger than the sum of its proper divisors (33307192).

67223601 is an frugal number, since it uses more digits than its factorization.

67223601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The cubic root of 67223601 is about 406.6061323345.

Adding to 67223601 its reverse (10632276), we get a palindrome (77855877).

The spelling of 67223601 in words is "sixty-seven million, two hundred twenty-three thousand, six hundred one".