82223312 has 10 divisors (see below), whose sum is σ = 159307698. Its totient is φ = 41111648.

The previous prime is 82223293. The next prime is 82223363. The reversal of 82223312 is 21332228.

It can be written as a sum of positive squares in only one way, i.e., 78925456 + 3297856 = 8884^2 + 1816^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569463 + ... + 2569494.

Almost surely, 2^82223312 is an apocalyptic number.

It is an amenable number.

82223312 is a deficient number, since it is larger than the sum of its proper divisors (77084386).

82223312 is a wasteful number, since it uses less digits than its factorization.

82223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138965 (or 5138959 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 82223312 is about 9067.7070971663. The cubic root of 82223312 is about 434.8421711304.

The spelling of 82223312 in words is "eighty-two million, two hundred twenty-three thousand, three hundred twelve".