83222347 has 4 divisors (see below), whose sum is σ = 89624080. Its totient is φ = 76820616.

The previous prime is 83222339. The next prime is 83222351. The reversal of 83222347 is 74322238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74322238 = 2 ⋅37161119.

It is a cyclic number.

It is not a de Polignac number, because 83222347 - 2³ = 83222339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83222317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200847 + ... + 3200872.

It is an arithmetic number, because the mean of its divisors is an integer number (22406020).

Almost surely, 2^83222347 is an apocalyptic number.

83222347 is a deficient number, since it is larger than the sum of its proper divisors (6401733).

83222347 is a wasteful number, since it uses less digits than its factorization.

83222347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401732.

The product of its digits is 16128, while the sum is 31.

The square root of 83222347 is about 9122.6282945213. The cubic root of 83222347 is about 436.5962352332.

The spelling of 83222347 in words is "eighty-three million, two hundred twenty-two thousand, three hundred forty-seven".