83222737 has 4 divisors (see below), whose sum is σ = 89624500. Its totient is φ = 76820976.

The previous prime is 83222723. The next prime is 83222753. The reversal of 83222737 is 73722238.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33223696 + 49999041 = 5764^2 + 7071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83222737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83222767) 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, 3200862 + ... + 3200887.

It is an arithmetic number, because the mean of its divisors is an integer number (22406125).

Almost surely, 2^83222737 is an apocalyptic number.

It is an amenable number.

83222737 is a deficient number, since it is larger than the sum of its proper divisors (6401763).

83222737 is a wasteful number, since it uses less digits than its factorization.

83222737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401762.

The product of its digits is 28224, while the sum is 34.

The square root of 83222737 is about 9122.6496699150. The cubic root of 83222737 is about 436.5969172306.

The spelling of 83222737 in words is "eighty-three million, two hundred twenty-two thousand, seven hundred thirty-seven".