67220229 has 8 divisors (see below), whose sum is σ = 90964960. Its totient is φ = 44144496.

The previous prime is 67220213. The next prime is 67220243. The reversal of 67220229 is 92202276.

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

It is not a de Polignac number, because 67220229 - 2⁴ = 67220213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67220196 and 67220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67220249) 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, 167014 + ... + 167415.

It is an arithmetic number, because the mean of its divisors is an integer number (11370620).

Almost surely, 2^67220229 is an apocalyptic number.

It is an amenable number.

67220229 is a deficient number, since it is larger than the sum of its proper divisors (23744731).

67220229 is a wasteful number, since it uses less digits than its factorization.

67220229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334499.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 67220229 is about 8198.7943625877. The cubic root of 67220229 is about 406.5993336369.

The spelling of 67220229 in words is "sixty-seven million, two hundred twenty thousand, two hundred twenty-nine".