67223261 has 8 divisors (see below), whose sum is σ = 76885440. Its totient is φ = 57575808.

The previous prime is 67223257. The next prime is 67223263. The reversal of 67223261 is 16232276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67223261 - 2² = 67223257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67223263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9050 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (9610680).

Almost surely, 2^67223261 is an apocalyptic number.

It is an amenable number.

67223261 is a deficient number, since it is larger than the sum of its proper divisors (9662179).

67223261 is a wasteful number, since it uses less digits than its factorization.

67223261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363.

The product of its digits is 6048, while the sum is 29.

The square root of 67223261 is about 8198.9792657379. The cubic root of 67223261 is about 406.6054468297.

The spelling of 67223261 in words is "sixty-seven million, two hundred twenty-three thousand, two hundred sixty-one".