67222229 has 16 divisors (see below), whose sum is σ = 72084480. Its totient is φ = 62570880.

The previous prime is 67222189. The next prime is 67222241. The reversal of 67222229 is 92222276.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67222229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67222195 and 67222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67222249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117857 + ... + 118425.

It is an arithmetic number, because the mean of its divisors is an integer number (4505280).

Almost surely, 2^67222229 is an apocalyptic number.

It is an amenable number.

67222229 is a deficient number, since it is larger than the sum of its proper divisors (4862251).

67222229 is a wasteful number, since it uses less digits than its factorization.

67222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its digits is 12096, while the sum is 32.

The square root of 67222229 is about 8198.9163308330. The cubic root of 67222229 is about 406.6033661066.

The spelling of 67222229 in words is "sixty-seven million, two hundred twenty-two thousand, two hundred twenty-nine".