83221067 has 8 divisors (see below), whose sum is σ = 85119552. Its totient is φ = 81328000.

The previous prime is 83221051. The next prime is 83221079. The reversal of 83221067 is 76012238.

It is a happy number.

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 83221067 - 2⁴ = 83221051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83221037) 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, 60467 + ... + 61827.

It is an arithmetic number, because the mean of its divisors is an integer number (10639944).

Almost surely, 2^83221067 is an apocalyptic number.

83221067 is a deficient number, since it is larger than the sum of its proper divisors (1898485).

83221067 is a wasteful number, since it uses less digits than its factorization.

83221067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 83221067 is about 9122.5581390310. The cubic root of 83221067 is about 436.5939968679.

The spelling of 83221067 in words is "eighty-three million, two hundred twenty-one thousand, sixty-seven".