83220307 has 8 divisors (see below), whose sum is σ = 84575232. Its totient is φ = 81870600.

The previous prime is 83220281. The next prime is 83220311. The reversal of 83220307 is 70302238.

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 a de Polignac number, because none of the positive numbers 2^k-83220307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83220367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42132 + ... + 44062.

It is an arithmetic number, because the mean of its divisors is an integer number (10571904).

Almost surely, 2^83220307 is an apocalyptic number.

83220307 is a deficient number, since it is larger than the sum of its proper divisors (1354925).

83220307 is a wasteful number, since it uses less digits than its factorization.

83220307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 83220307 is about 9122.5164839533. The cubic root of 83220307 is about 436.5926678276.

The spelling of 83220307 in words is "eighty-three million, two hundred twenty thousand, three hundred seven".